evidence to conclude that the height for 10-year-old girls from country b is significantly different from the country a population mean at a significance level of . a. Determine whether the population mean for height for​ 10-year-old girls from Country B is significantly different from the Country A population mean. Use a significance level of 0.05.Ans: H0: μ = 54.9 and Ha: μ ≠ 54.9; The sample is random and the observations are independent. The distribution of the heights is Normally distributed.; t=-0.30; p = 0.770; Since the​ p-value is greater than the significance​ level, do not reject H0. There is insufficient evidence to conclude that the height for​ 10-year-old girls from Country B is significantly different from the Country A population mean at a significance level of 0.05.b. Now suppose the sample consists of 45 girls instead of 15. Repeat the test.Ans: H0: μ = 54.9 and Ha: μ ≠ 54.9; t=-0.52; p=0.608; Since the​ p-value is greater than the significance​ level, do not reject H0. There is insufficient evidence to conclude that the height for​ 10-year-old girls from Country B is significantly different from the Country A population mean at a significance level of 0.05.c. Explain why the​ t-values and​ p-values for parts a and b are different. Choose the correct answer below.Ans: A larger n causes a smaller standard error​ (narrower sampling​ distribution) with less area in the​ tails, as shown by the smaller​ p-value.

Answers

Answer 1

A larger sample size results in a smaller standard error and a narrower sampling distribution, leading to less area in the tails and a smaller p-value.

In this study, we are comparing the heights of 10-year-old girls from Country A and Country B. The null hypothesis (H 0) states that there is no significant difference in the heights (μ = 54.9), while the alternative hypothesis (Ha) states that there is a significant difference (μ ≠ 54.9).

Using a significance level of 0.05, we have a t-value of -0.30 and a p-value of 0.770 for the first test. Since the p-value is greater than the significance level, we do not reject H 0, indicating insufficient evidence to conclude a significant difference in heights between the countries.

When the sample size is increased to 45 girls, the t-value becomes -0.52 and the p-value is 0.608. Again, the p-value is greater than the significance level, so we do not reject H 0. There is still insufficient evidence to conclude a significant difference in heights.

The t-values and p-values differ between parts a and b due to the larger sample size in part b. A larger sample size results in a smaller standard error and a narrower sampling distribution, leading to less area in the tails and a smaller p-value. Despite these differences, both tests fail to provide sufficient evidence to support a significant difference in the heights of 10-year-old girls from Country A and Country B at a 0.05 significance level.

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Related Questions

huppert boas 2007 cerebral blood flow and metabolism multicompartment vascular model for inferring baseline

Answers

This was a research work that was conducted by Theodore Huppert in the year 2007.

What is the role of the cerebral vasculature?

The function is to aid in the supply of blood and also to carry nutrients around the parts of the body.

This is known to be also responsible for the delivery of oxygen in the body of organisms that needs it. This research that was conducted by Huppert involved inducing of  isometabolic changes in the blood flow through the use of what is referred to as hypercapnia.

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Sophie’s spending decisions are heavily influenced by her family, her peers, and her religious education. these influences on her spending decisions are all ________ influences.

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Sophie’s spending decisions are heavily influenced by her family, her peers, and her religious education. these influences on her spending decisions are all external social environmental influences.

A society's beliefs, customs, practises, and actions collectively make up its social environment. It can be compared with the natural world in which we live because it is, to a considerable degree, a manufactured construct. Each society creates a unique social environment. Customs, beliefs, rituals, and behaviours vary throughout cultures, although some are universal.

It is possible to refer to a business's external social environment as the social environment that society as a whole has established for it to operate in. A business's external social environment will be significantly more complex if it works in a multicultural culture because there are many different subpopulations there, each with their own distinct values, beliefs, and practises.

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The political activities of groups and organizations to influence legislation and to support a group's positions is called:________

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The political activities of groups and organizations to influence legislation and to support a group's positions is called Lobbying. Literally, the word "lobby" refers to an entrance hall in a hotel, a government facility, or any other public structure. However, the term's "pressure group" meaning first appeared in 1640 in a particular lobby or entrance hall.

Lobbying It includes all attempts to influence legislators and officials, whether by other legislators, constituents, or organised groups. "Lobbying" (also spelled "lobby") is a form of advocacy with the intention of influencing decisions made by the government by individuals or more commonly by lobby groups.

Direct lobbying, grassroots lobbying, and electoral lobbying are Berry's three broad categories for diverse types of lobbying.

Lobbying directly.

Lobbying at the local level.

Political lobbying

Meetings and discussions with government representatives, influencing legislation through haggling over the specifics of a law, and requesting presidential vetoes are all forms of lobbying. By lobbying, political organization take part in public policy. They work for people interest and rise their voice on behalf of public in legislature.

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What is the best reason why the United States should work with other countries as part of national security policy

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The best reason why the United States should work with other countries as part of national security policy is because it is already stated as goal of her national security that the U.S. national security strategy will be based on American internationalism that reflects the union of her values and her national interests.

What are national interests?

National Interest is a rationality of governing referring to a sovereign state's goals and ambitions, be they economic, military, cultural, or otherwise.

Therefore, the correct answer is as given above.

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Answer:

To promote

Explanation:

I got it right on edge 2022  :)

Some researchers propose that _____ can play a role in the development of panic disorder.

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Some researchers propose that anxiety can play a role in the development of panic disorder.

When faced with everyday, non-threatening events, a panic attack results in powerful physical reactions and abrupt, fleeting feelings of anxiety. You can perspire profusely, find it difficult to breathe, and feel as though your heart is pounding during a panic attack. You can experience symptoms similar to a heart attack.

When you worry excessively about having another panic attack or alter your behaviour to prevent one, panic disorder may develop. A panic attack is an uncontrollable, abrupt feeling of fear or worry that results in physical symptoms including perspiration, a racing heart, and rapid breathing. Some persons experience panic disorder, which is a form of anxiety disorder, as a result of their extreme fear of these attacks. Panic attacks can be stopped with counselling and anti-anxiety drugs.

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Which form of mediation allows the mediator to make a final decision for the parties if needed?

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Transformative mediation allows the mediator to make a final decision for the parties if needed.

The transformative mediation allows the parties to control the outcome of the mediation and control the process of achieving that outcome. Transformative mediation is the newer form of mediation which hands over much of the control to parties in both, the procedure and the outcome.

The transformative mediation seeks to transform the relationship between the parties past the conflict and back to a strong relationship. Thus, in transformative mediation, the mediators focuses on empowering disputants to resolve their conflict by encouraging them to recognize each other’s needs and interests.

Hence, after the procedures, the mediator makes a final decision for the parties if needed and this is called the transformative mediation.

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According to the textbook, the moderate positive correlation between learning and job performance may be an underestimate of learning's importance because __________ Group of answer choices

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It's difficult to measure tacit knowledge, which is relevant to task performance, because of its unspoken nature.

What is Moderate Positive Correlation ?

When an increase in one variable causes another variable to increase or a decrease in one variable causes another variable to decrease, that's a positive correlation.

The more time you spend running on a treadmill, the more calories you will burn.The longer your hair grows, the more shampoo you will need.The more money you save, the more financially secure you feel.A basic example of positive correlation is height and weight—taller people tend to be heavier, and vice versa.

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Create your own society. Write at least two pages, touching at least
briefly on the following areas:
i. Type of government
ii. Recreational and service organizations
iii. Population (age, ethnic background, number, etc.)
iv. Religion or spiritual practices
v. Geography and natural resources
vi. Health care and environmental issues
vii. Any other specific problems and/or assets

Answers

The ideal type of society should be that will serve justice to all and to none. One should create society keeping in mind that they can be on the least advantage as well as on least disadvantage position.

The ideal society should be :

Delibratary democracy- A democracy in which each person has the right to participate and take decisions related to government policy.population- A homogenous population with a maximum number of people belonging to young age.Religious and spiritual- People should have an absolute right to freedom of religion and practices.The geography and natural resources of the country should be such that it doesn't need to fear foreign invasion, as well as the land, should be fertile and mineral-rich so maximum self-sufficiency could achieve.Public goods- public goods like hospitals, and roads should be both owned by the government as well as the private sector to bring efficiency.

Such a type of society will be ideal to serve justice to everyone.

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Which stage of the lewin model of change do you think is most often overlooked? why?

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An important and often overlooked aspect of change management is the final phase – refreezing in Lewin's model.

Once a process has been changed, the change must be reinforced by the organization allowing time for learning and implementation.

The study examined three phases of Lewin's model: thawing, moving, and refreezing. Although general procedures have been established for this model, additional information needs to be considered to tailor these steps to a particular situation.

Social scientist and physicist Lewin presented a simple framework for understanding the process of organizational change in the early 1950s. This is known as the three-step theory, which he named unfreeze, change (transition), and freeze (refreeze). .

The criticism of Lewin's theory of change is the lack of accountability for the interaction of individuals, groups, organizations, and societies. Unable to cope with complex and repetitive processes of change (Burnes, 2004). Figure 1 shows this modified model as a linear process.

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Which goddess was created by the other gods as a superhero in order to defeat an unstoppable buffalo demon

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The "Durga" was the goddess that was created by the other gods as a superhero in order to defeat an unstoppable buffalo demon.

What is Durga?

This is one of the major deity in Hinduism that is worshipped as a principal aspect of supreme mother goddess Adi Shakti.

Hence, it was also the goddess that was created by the other gods as a superhero in order to defeat an unstoppable buffalo demon.

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An individual's innate abilities independent of acquired knowledge and experience constitute Group of answer choices fluid intelligence crystallized intelligence tertiary intelligence. primary intelligence

Answers

The typical individual's innate abilities that is independent of acquired knowledge and experience constitute is known as Fluid intelligence.

What is Fluid intelligence?

This refers to individual's ability to think and reason abstractly and solve problems.

Hence, it involves individual's innate abilities that is independent of acquired knowledge and experience constitute.

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According to recent estimates, genetic contributions to the development of most psychological disorders are __________________.

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According to recent estimates, genetic contributions to the development of most psychological disorders are below 50%

Many psychiatric diseases have a propensity to run in families, which suggests possible hereditary causes, as has long been acknowledged by scientists. These conditions comprise schizophrenia, bipolar disorder, major depressive disorder, attention deficit hyperactivity disorder (ADHD), autism, and ADHD.

Differentiating between these 5 major psychiatric diseases might be challenging due to the possibility of overlapping symptoms. They may have biochemical commonalities as well, based on their similar symptoms. In reality, current research has found only little evidence for genetic risk factors that are common to  psychiatric diseases like schizophrenia and bipolar disorder, autism and schizophrenia, and depression and bipolar disorder.

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The precambrian eon encompasses what percentage of earth's total history? a. 88.0 percent
b. 0.04 percent
c. 12.4 percent
d. 5 percent

Answers

Answer: its c i did it a long time ago

Explanation:

Substances that can harm humans when they either consume or come in contact with them are called __________.

Answers

Answer:

Toxic

Explanation:

Paulette wanted an unbiased source of information to help her decide what brand of appliances to buy for her new condominium. Paulette would most likely search for information from:_____.

Answers

Paulette wanted an unbiased source of information to help her decide what brand of appliances to buy for her new condominium. Paulette would most likely search for information from the consumer reports website.

CR was created as an independent, nonprofit business enterprise, using testing, reporting, and advocacy to counter market misinformation and advance consumer protections.

In the search bar, type consumer reports and click on one of the queries for access. you may then click the name of the publication (patron reviews buying guide, customer reviews, or others) in the “source” field, then “search within this book” or chose from an issue listed to the right.

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Davis and moore argue that the more functionally unique an occupation, the greater it's functional importance. functionally unique means that:_____.

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Davis and Moore argue that the more functionally unique occupation, the greater its functional importance. Functionally unique means that few other people can perform the same occupation.

The occupation is your task or the way you spend some time or one u . s. preserving a navy presence in every other. An example of the profession is whilst you are a physician or a legal professional. An example of occupation is when we maintain navy troops in Iraq to hold control and order.

Humans will typically ask, "what is your occupation/career?" you'll respond, "I'm an accountant." or "I'm a doctor." So if there is a career/profession phase somewhere, it is for humans who have an education in a specific subject of labor - nurses, accountants, medical doctors, architects, etc.

Some town citizens should band collectively after a devastating alien invasion. As they battle to live on, they comprehend they must live one step ahead of their attackers and work together for a threat to strike again.

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Regarding freedom of the press, the Supreme Court has generally upheld the principle of no prior restraint. This principle means that

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Regarding freedom of the press, the Supreme Court has generally upheld the principle of no prior restraint. This principle means that government generally cannot stop the news media from reporting a story.

Can the government restrict the press?

According to the Supreme Court, the government cannot constitutionally forbid the publication of secret information unless it can show that doing so will result in clear and present danger of serious harm to the nation's security.

Why we should regulate social media?

In the end, responsible self-regulation benefits businesses: Social media platforms need to be more accountable for their global influence if they don't want to risk further harming the internet and user faith in digital material, which are crucial shared resources for knowledge and commerce.

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A ___________ is used to temporarily store data and then shift it

Answers

Flash drive
It’s correct

John Snow analyzed information about cholera victims, including where the victims lived and where they got water. This is an example of __________.

Answers

John Snow analyzed information about cholera victims, including where the victims lived and where they got water. This is an example of Descriptive Epidemiology.

What is Descriptive Epidemiology?

Descriptive epidemiology describes the outbreak in terms of person, place and time. “Person” refers to socio-demographic characteristics of cases and includes variables such as age, ethnicity, sex/gender, occupation, and socioeconomic status. “Place” refers to spatial relationships that are important in describing the occurrence of illnesses and may include variables that describe clustering, rural-urban status, city, province/territory, or country. “Time” refers to the examination of when and over what time period the illnesses occur and may describe a point source epidemic, secular trends, or temporal clustering.

The goals of descriptive epidemiology in enteric outbreak investigations are:

To assess trends in health and disease: illnesses are monitored in order to identify emerging problems (e.g., potential outbreaks). Comparisons can be made among population groups (e.g., different age groups, or sexes), geographic areas, and time periods.To identify problems and generate hypotheses (e.g., if illnesses are occurring in a specific demographic or geographic area, this could suggest initial hypotheses for the source of an outbreak). Hypotheses can then be tested using analytic methods, such as a case-control study.

Therefore, we can conclude that the Descriptive Epidemiology, John Snow analyzed information about cholera victims .

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Increased use of the internet among the elderly illustrates the fact that they are:_______

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Increased use of the Internet among the elderly illustrates the fact that they are finding new ways to remain socially engaged.

How can internet make elderly people to be socially relevant?

internet make elderly people to be socially relevant because it will allow them to connect with people from different regions.

In this case, Increased use of the Internet among the elderly illustrates the fact that they are finding new ways to remain socially engaged.

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Historically, the United States has always had a two-party system. Explain what a two-party system is and include at least three sets of the two-party system in the history of the United States

Answers

democrat and republican and the war of black and white

"Human trafficking is a big crime". Give your opinion​

Answers

Answer:

Exactly it's the biggest crime I mean c'mon how a person sells another person like some stuff it's very unexpected

Intelligence test. If you get it right, you are a critical thinker. You were in the garden, there are 34 people in the yard. You killed 30. How many people are in the garden?.

Answers

Answer:

Zero.

The rest with ran away

You want to visit Argentina, but your attitude about Argentina is changing as you read the news about the kidnappings that have occurred there. Which component of attitude is being affected

Answers

You want to visit Argentina, but your attitude about Argentina is changing as you read the news about the kidnappings that have occurred there. The component of attitude being affected here is Cognitive.

What is the Cognitive component of attitude?Three elements are believed to make up attitudes: a cognitive element, a behavioral element, and an emotional element (feelings). An attitude is how we judge a person, an idea, or an item.The person's thoughts, perceptions, or ideas concerning the subject of the attitude are referred to as the cognitive component of attitude. The affective component of an attitude refers to a person's emotional response or feeling, such as liking or disliking, toward the subject of the attitude.The cognitive aspect of attitude can be illustrated by instances like these. assuming someone is a decent person just because they give to charity. believing that when another person said something hurtful, they are unlikable. the belief that one's viewpoint has changed because of the viewpoint of another person.

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For what reasons did the basilica become an obvious choice from which to design the basic structure of a church?

Answers

The basilica became an obvious choice to design the basic structure of a church because it was large and spacious, and could accommodate many people.

The architecture of a time depends on the purpose it served. Initially, the word Basilica was used for any large covered hall in ancient Rome as early as 184 BC. The Basilica was a place to hold tribunals and other gatherings. It was generally located near the town’s forum.

Many great Christian basilicas were built during the end of the rule of Constantine. He had available the old Roman Basilica as the grand design to showcase his authority.

Now, the term basilica is used to describe the architectural design of churches that is rectangular with a central nave and aisles.

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Political scientist richard neustadt contended that an effective president is successful in using ______.

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Political scientist Richard Neustadt contended that an effective president is successful in using the power to persuade,

Thus Neustadt's thesis: Presidential strength isn't the power to direct but the strength to influence. The president can not accomplish a lot by using merely issuing orders. Getting things finished requires persuading others that appearing to enhance the president's dreams is in their own first-rate interest.

Richard Elliott Neustadt (June 26, 1919 – October 31, 2003) became an American political scientist specializing in the united states of America presidency. He also served as an adviser to several presidents. He becomes the writer of the books Presidential electricity and, with Harvey V.

The constitution specifies two assets of presidential power: Expressed powers consist of the strength to make treaties, provide pardons and nominate judges.

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what is the status of nepal in human developmant index

Answers

Answer:

142th

Explanation:

The HDI value of nepal is 0.602

Research on gender bias in sentencing suggests that judges do not take offenders' family circumstances into consideration when making pretrial release and sentencing decisions.

Answers

It is a false statement that the research on gender bias in sentencing suggests that judges do not take offenders' family circumstances into consideration when making pretrial release and sentencing decisions.

What is a gender bias?

This refers to the differential treatment and representation of males and females based on thir stereotypes and not on real differences.

Further more, it is also known as a kind of bias suffered when someone or a  person is receiving a different treatment based on the person's real or perceived gender identity.

However, based on evidence, It is a false statement that the research on gender bias in sentencing suggests that judges do not take offenders' family circumstances into consideration when making pretrial release and sentencing decisions.

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The processes of assimilation and accommodation were most clearly highlighted by?

Answers

The processes of assimilation and accommodation were most clearly highlighted by Jean Piaget in his cognitive development theory.

Jean Piaget suggested in his cognitive development theory that intelligence changes as children grow. A child's cognitive development is not just about obtain knowledge, the child has to develop or construct a mental model of the world through which they can adapt and learn things.

Piaget divided children’s cognitive development in four stages, each of the stages represent a new way of thinking and understanding the world.

He called the First stage as sensorimotor intelligence, Second as preoperational thinking, Third as concrete operational thinking and Fourth stage is of formal operational thinking. Each stage is correlated with an age period of childhood, but only approximately.

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__________ increases your ability to move into the best position to hit, strike, or kick a moving object.

Answers

Footwork increases your ability to move into the best position to hit, strike, or kick a moving object.

Why is it important to stay on the balls of your feet?

Lower body strength and conditioning are combined in this combination. A player who stays on the balls of their feet will be able to shift directions more quickly than a player who does not.

Is power the ability to combine speed and quickness?

Power is the term used to describe the union of strength and speed. You can do explosive actions like leaping high, putting a shot, or swinging a softball or baseball bat to hit a ball a long distance thanks to the power, and the capacity to combine strength and speed while moving.

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prove the identity. csc^2 x * (1 - cos^2 x) = 1 Which sentence from Richard Nixon's acceptance speech reflects an appeal to the "silent majority"?"America is in trouble today not because her people have failed but because her leaders have failed. And what America needs are leaders to match the greatness of her people. And this great group of Americans, the forgotten Americans, and others know that the great question Americans must answer by their votes in November is this: whether we shall continue for four more years the policies of the last five years.And this is their answer and this is my answer to that question. When the strongest nation in the world can be tied down for four years in a war in Vietnam with no end in sight; when the richest nation in the world can't manage its own economy; when the nation with the greatest tradition of the rule of law is plagued by unprecedented lawlessness; when a nation that has been known for a century for equality of opportunity is torn by unprecedented racial violence; and when the President of the United States cannot travel abroad or to any major city at home without fear of a hostile demonstrationthen it's time for new leadership for the United States of America." hosw to solve the change in entropy when 0.802 g of silicon is burned in excess oxygen to yield silicon dioxide at 298 k? HBrO2 is a weak acid. What are the spectator ions in a neutralization reaction involving this weak acid and sodium hydroxide, NaOH? A. Nat(aq) only B. Nat(aq) and BrO2 (aq) C. H*(aq) and OH(aq) D. BrO2 (aq) only E. 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Format non-currency numbers in each pivot table or pivot chart using the accounting format with zero decimal places.From 2013 2016, what was the total spending in each of the four calendar years? Is spending trending up, trending down, or remaining stable?In each of the years 2013 - 2016, how much was spent in each of the three categories of government (Education, General Government, and Public Works)? What does the pivot table show you?How much in expenditures did Somerville have in each "Item Class" in the General Government category for each of the years 2013 2016? What insights can you draw from the pivot table?Using the budget worksheet included in the Excel data file, prepare a budget variance report that compares actual spending by "Item Class" in 2016 for the General Government category. Use cell references for the actual spending totals. Use conditional formatting (use the "Shapes, 3 Signs" style) to denote the direction of the percentage variances. 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The light is getting bigger when it's waxing and smaller whenit's waningC. Waxing means that there is no light and waning means thatthere is lightD. Waxing comes after a Full Moon and waning comes after NewMoon Let f(x) = 0. 8x^3 + 1. 9x^2- 2. 7x + 23 represent the number of people in a country where x is the number of years after 1998 and f(x) represent the number of people in thousands. Include units in your answer where appropriate. (round to the nearest tenth if necessary)a) How many people were there in the year 1998?b) Find f(15)c) x = 15 represents the yeard) Write a complete sentence interpreting f(19) in context to the problem. Explain what you think the explorer from the Yellowstones Great Migration Video meant when he said ""The elk migration shapes the ecosystem. The elk migration are the veins and the arteries of the Greater Yellowstone Ecosystem""