Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 99% confidence interval. What does the result tell us about the population of all celebrities? Do the data appear to be from a normally distributed population as required? 255 210 182 170 161 160 155 155 155 150 Question content area bottom Part 1 What is the confidence interval estimate of the population mean μ? $enter your response here million<μ<$enter your response here million (Round to one decimal place as needed.) Part 2 What does the result tell us about the population of all celebrities? Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. A. We are 99% confident that the interval from $enter your response here million to $enter your response here million actually contains the true mean net worth of all celebrities. (Round to one decimal place as needed.) B. Because the ten wealthiest celebrities are not a representative sample, this doesn't provide any information about the population of all celebrities. C. We are confident that 99% of all celebrities have a net worth between $enter your response here million and $enter your response here million. (Round to one decimal place as needed.) Part 3 Do the data appear to be from a normally distributed population as required? A. Yes, but the points in the normal quantile plot do not lie reasonably close to a straight line or show a systematic pattern that is a straight line pattern. B. No, because the points lie reasonable close to a straight line, but there is a systematic pattern that is not a straight line pattern. C. Yes, because the pattern of the points in the normal quantile plot is reasonably close to a straight line. D. No, but the points in the normal quantile plot lie reasonably close to a straight line and show some systematic pattern that is a straight line pattern.

Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 99% confidence interval. What does the result tell us about the population of all celebrities? Do the data appear to be from a normally distributed population as required? 255 210 182 170 161 160 155 155 155 150 Question content area bottom Part 1 What is the confidence interval estimate of the population mean μ? $enter your response here million<μ<$enter your response here million (Round to one decimal place as needed.) Part 2 What does the result tell us about the population of all celebrities? Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. A. We are 99% confident that the interval from $enter your response here million to $enter your response here million actually contains the true mean net worth of all celebrities. (Round to one decimal place as needed.) B. Because the ten wealthiest celebrities are not a representative sample, this doesn't provide any information about the population of all celebrities. C. We are confident that 99% of all celebrities have a net worth between $enter your response here million and $enter your response here million. (Round to one decimal place as needed.) Part 3 Do the data appear to be from a normally distributed population as required? A. Yes, but the points in the normal quantile plot do not lie reasonably close to a straight line or show a systematic pattern that is a straight line pattern. B. No, because the points lie reasonable close to a straight line, but there is a systematic pattern that is not a straight line pattern. C. Yes, because the pattern of the points in the normal quantile plot is reasonably close to a straight line. D. No, but the points in the normal quantile plot lie reasonably close to a straight line and show some systematic pattern that is a straight line pattern.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question content area bottom

Part 1

What is the confidence interval estimate of the population mean

μ?

$enter your response here

million<μ<$enter your response here

million

(Round to one decimal place as needed.)

Part 2

What does the result tell us about the population of all celebrities? Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice.

We are

99%

confident that the interval from

$enter your response here

million to

$enter your response here

million actually contains the true mean net worth of all celebrities.

(Round to one decimal place as needed.)

Because the ten wealthiest celebrities are not a representative sample, this doesn't provide any information about the population of all celebrities.

We are confident that

99%

of all celebrities have a net worth between

$enter your response here

million and

$enter your response here

million.

(Round to one decimal place as needed.)

Part 3

Do the data appear to be from a normally distributed population as required?

Yes, but the points in the normal quantile plot do not lie reasonably close to a straight line or show a systematic pattern that is a straight line pattern.

No, because the points lie reasonable close to a straight line, but there is a systematic pattern that is not a straight line pattern.

Yes, because the pattern of the points in the normal quantile plot is reasonably close to a straight line.

No, but the points in the normal quantile plot lie reasonably close to a straight line and show some systematic pattern that is a straight line pattern.

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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