Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 95% 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? 254 209 198 168 162 157 152 152 152 147 What is the confidence interval estimate of the population mean u? million < u< $ million (Round to one decimal place as needed.) 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. O A. We are confident that 95% of all celebrities have a net worth between $ million and $ million. (Round to one decimal place as needed.) O B. We are 95% confident that the interval from $ million to $ million actually contains the true mean net worth of all celebrities. (Round to one decimal place as needed.) OC. Because the ten wealthiest celebrities are not a representative sample, this doesn't provide any information about the population of all celebrities. Do the data appear to be from a normally distributed population as required? O A. Yes, because the pattern of the points in the normal quantile plot is reasonably close to a straight line. O B. 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. O C. 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. O D. No, because the points lie reasonable close to a straight line, but there is a systematic pattern that is not 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 95% 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? 254 209 198 168 162 157 152 152 152 147 What is the confidence interval estimate of the population mean u? million < u< $ million (Round to one decimal place as needed.) 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. O A. We are confident that 95% of all celebrities have a net worth between $ million and $ million. (Round to one decimal place as needed.) O B. We are 95% confident that the interval from $ million to $ million actually contains the true mean net worth of all celebrities. (Round to one decimal place as needed.) OC. Because the ten wealthiest celebrities are not a representative sample, this doesn't provide any information about the population of all celebrities. Do the data appear to be from a normally distributed population as required? O A. Yes, because the pattern of the points in the normal quantile plot is reasonably close to a straight line. O B. 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. O C. 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. O D. No, because the points lie reasonable close to a straight line, but there is a systematic pattern that is not 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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Transcribed Image Text:Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 95% 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?
254
209
198
168
162
157
152
152
152
147
What is the confidence interval estimate of the population mean µ?
$ million <µ<$
million
(Round to one decimal place as needed.)
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.
O A. We are confident that 95% of all celebrities have a net worth between $
million and $
million.
(Round to one decimal place as needed.)
O B. We are 95% confident that the interval from $
million to $
million actually contains the true mean net worth of all celebrities.
(Round to one decimal place as needed.)
O C. Because the ten wealthiest celebrities are not a representative sample, this doesn't provide any information about the population of all celebrities.
Do the data appear to be from a normally distributed population as required?
O A. Yes, because the pattern of the points in the normal quantile plot is reasonably close to a straight line.
O B. 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.
O C. 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.
O D. No, because the points lie reasonable close to a straight line, but there is a systematic pattern that is not a straight line pattern.
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