The diameters (in inches) of 17 randomly selected bolts produced by a machine are listed. Use a 99% level of confidence to construct a confidence interval for (a) the population variance o and (b) the population standard deviation a Interpret the results 4.479 4412 4.035 4316 4.006 3.799 O 3814 3.766 4243 3979 4.111 4.567 3.949 3753 3.877 3.833 4.433 (a) The confidence interval for the population variance is ) (Round to three decimal places as needed.) Interpret the results Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to three decimal places as needed.) O A. With 1% confidence, it can be said that the population variance is between and O B. With 1% confidence, it can be said that the population variance is greater than O C. With 99% confidence, it can be said that the population vanance is less than O D. With 99% confidence, it can be said that the population variance is between and (b) The confidence interval for the population standard deviation is ( (Round to three decimal places as needed) Interpret the results Select the correct choice below and fill in the answer box(es) to complete your choice (Round to three decimal place as needed) O A. With 99% confidence, you can say that the population standard deviation is between and inches O B. With 99% confidence, you can say that the population standard deviation is greater than inches OC. With 1% confidence, you can say that the population standard deviation is between and inches OD. With 1% confidence, you can say that the population standard deviation is less than inches
The diameters (in inches) of 17 randomly selected bolts produced by a machine are listed. Use a 99% level of confidence to construct a confidence interval for (a) the population variance o and (b) the population standard deviation a Interpret the results 4.479 4412 4.035 4316 4.006 3.799 O 3814 3.766 4243 3979 4.111 4.567 3.949 3753 3.877 3.833 4.433 (a) The confidence interval for the population variance is ) (Round to three decimal places as needed.) Interpret the results Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to three decimal places as needed.) O A. With 1% confidence, it can be said that the population variance is between and O B. With 1% confidence, it can be said that the population variance is greater than O C. With 99% confidence, it can be said that the population vanance is less than O D. With 99% confidence, it can be said that the population variance is between and (b) The confidence interval for the population standard deviation is ( (Round to three decimal places as needed) Interpret the results Select the correct choice below and fill in the answer box(es) to complete your choice (Round to three decimal place as needed) O A. With 99% confidence, you can say that the population standard deviation is between and inches O B. With 99% confidence, you can say that the population standard deviation is greater than inches OC. With 1% confidence, you can say that the population standard deviation is between and inches OD. With 1% confidence, you can say that the population standard deviation is less than inches
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:The diameters (in inches) of 17 randomly selected bolts produced by a machine are listed. Use a 99% level of confidence to construct a confidence interval for (a) the population variance o and (b) the population standard deviation o. Interpret the results
4.479 4412 4.035 4.316 4.006 3.799
3.814 3.766 4243 3.979 4.111
4.567
3.949 3.753 3.877 3.833 4.433
(a) The confidence interval for the population variance is
(Round to three decimal places as needed.)
Interpret the results. Select the correct choice below and fill in the answer box(es) to complete your choice.
(Round to three decimal places as needed.)
O A. With 1% confidence, it can be said that the population variance is between
O B. With 1% confidence, it can be said that the population variance is greater than
and
OC. With 99% confidence, it can be said that the population variance is less than
O D. With 99% confidence, it can be said that the population variance is between
and
(b) The confidence interval for the population standard deviation is
(Round to three decimal places as needed.)
Interpret the results. Select the correct choice below and fill in the answer box(es) to complete your choice.
(Round to three decimal place as needed.)
O A. With 99% confidence, you can say that the population standard deviation is between
and
inches.
B. With 99% confidence, you can say that the population standard deviation is greater than
inches
O C. With 1% confidence, you can say that the population standard deviation is between
and
inches.
O D. With 1% confidence, you can say that the population standard deviation is less than
inches
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