As part of a survey, a marketing representative asks a random sample of 29 business owners how much they would be willing to pay for a website for their company. She finds that the sample standard deviation is $3370. Assume the sample is taken from a normally distributed population. Construct 99% confidence intervals for (a) the population variance o² and (b) the population standard deviation o. Interpret the results. (a) The confidence interval for the population variance is ( (Round to the nearest integer as needed.) Interpret the results. Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to the nearest integer as needed.) O A. With 1% confidence, you can say that the population variance is between O B. With 1% confidence, you can say that the population variance is greater than and. O C. With 99% confidence, you can say that the population variance is less than O D. With 99% confidence, you can say that the population variance is between and (b) The confidence interval for the population standard deviation is (.). (Round to the nearest integer as needed.) Interpret the results. Select the correct choice below and fill in the answer box(es) complete your choice. (Round to the nearest integer as needed.) OA. With 1% confidence, you can say that the population standard deviation is less than $ O C. With 1% confidence, you can say that the population standard deviation is between $ OB. With 99% confidence, you can say that the population standard deviation is greater than $. O D. With 99% confidence, you can say that the population standard deviation is between $ and $ and $

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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As part of a survey, a marketing representative asks a random sample of 29 business owners how much they would be willing to pay for a website for their company. She finds that the sample standard deviation is $3370. Assume the sample is
taken from a normally distributed population. Construct 99% confidence intervals for (a) the population variance o² and (b) the population standard deviation o. Interpret the results.
(a) The confidence interval for the population variance is
(Round to the nearest integer as needed.)
Interpret the results. Select the correct choice below and fill in the answer box(es) to complete your choice.
(Round to the nearest integer as needed.)
B. With 1% confidence, you can say that the population variance is greater than
A. With 1% confidence, you can say that the population variance is between
and
C. With 99% confidence, you can say that the population variance is less than
D. With 99% confidence, you can say that the population variance is between
and
(b) The confidence interval for the population standard deviation is
(Round to the nearest integer as needed.)
Interpret the results. Select the correct choice below and fill in the answer box(es) to complete your choice.
(Round to the nearest integer as needed.)
A. With 1% confidence, you can say that the population standard deviation is less than $
O C. With 1% confidence, you can say that the population standard deviation is between $
B. With 99% confidence, you can say that the population standard deviation is greater than $
D. With 99% confidence, you can say that the population standard deviation is between $
and $
and $
Transcribed Image Text:As part of a survey, a marketing representative asks a random sample of 29 business owners how much they would be willing to pay for a website for their company. She finds that the sample standard deviation is $3370. Assume the sample is taken from a normally distributed population. Construct 99% confidence intervals for (a) the population variance o² and (b) the population standard deviation o. Interpret the results. (a) The confidence interval for the population variance is (Round to the nearest integer as needed.) Interpret the results. Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to the nearest integer as needed.) B. With 1% confidence, you can say that the population variance is greater than A. With 1% confidence, you can say that the population variance is between and C. With 99% confidence, you can say that the population variance is less than D. With 99% confidence, you can say that the population variance is between and (b) The confidence interval for the population standard deviation is (Round to the nearest integer as needed.) Interpret the results. Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to the nearest integer as needed.) A. With 1% confidence, you can say that the population standard deviation is less than $ O C. With 1% confidence, you can say that the population standard deviation is between $ B. With 99% confidence, you can say that the population standard deviation is greater than $ D. With 99% confidence, you can say that the population standard deviation is between $ and $ and $
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