7 The diameters in inches of 17 randomly selected bolts produced by a machine are listed Use a 90 level of confidence to

Question

7 The diameters in inches of 17 randomly selected bolts produced by a machine are listed Use a 90 level of confidence to construct a confidence interval for a the population variance o and b the population standard deviation Interpret the results 4 483 4 433 4 008 4 319 4 009 3 766 3 811 3 776 4 245 3 981 4 113 4 545 3 976 3 757 3 853 3 824 4 435 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 OA With 10 confidence it can be said that the population variance is greater than and B With 10 confidence it can be said that the population variance is between OD With 90 confidence it can be said that the population variance is less than and OC With 90 confidence it can be said that the population variance is between 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 OA With 10 confidence you can say that the population standard deviation is between and inches population standard deviation is between and inches OB With 90 confidence you can say that the population standard deviation is greater than OD With 10 confidence you can say that the population standard deviation is less than inches inches

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