You randomly select and measure the contents of 10 bottles of cough syrup. The results (in fluid ounces) are shown to the right. 4.212 4.299 4.252 4.241 4.183 4.237 4.266 4.249 4.226 4.234 Assume the sample is taken from a normally distributed population. Construct 98% confidence intervals for (a) the population variance o and (b) the population standard deviation o. Interpret the results. (a) The confidence interval for the population variance is (Round to six 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 six decimal place as needed.) O A. With 98% confidence, it can be said that the population variance is between and O B. With 2% confidence, it can be said that the population variance is greater than O C. With 98% confidence, it can be said that the population variance is less than O D. With 2% confidence, it can be said that the population variance is between and (b) The confidence interval for the population standard deviation is (.D). (Round to four 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 four decimal place as needed.) O A. With 98% confidence, you can say that the population standard deviation is greater than inches. O B. With 2% confidence, you can say that the population standard deviation is between and inches. O C. With 2% confidence, you can say that the population standard deviation is less than inches. O D. With 98% confidence, you can say that the population standard deviation is between and inches.

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You randomly select and measure the contents of 10 bottles of cough syrup. The results (in fluid ounces) are shown to the right.
4.212
4.299
4.252
4.241
4.183
4.237
4.266
4.249
4.226
4.234
Assume the sample is taken from a normally distributed population. Construct 98% confidence intervals for (a) the population variance o and (b) the population standard deviation o. Interpret the results.
(a) The confidence interval for the population variance is
(Round to six 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 six decimal place as needed.)
O A. With 98% confidence, it can be said that the population variance is between
and
O B. With 2% confidence, it can be said that the population variance is greater than
O C. With 98% confidence, it can be said that the population variance is less than
O D. With 2% confidence, it can be said that the population variance is between
and
(b) The confidence interval for the population standard deviation is (.D).
(Round to four 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 four decimal place as needed.)
O A. With 98% confidence, you can say that the population standard deviation is greater than
inches.
O B. With 2% confidence, you can say that the population standard deviation is between
and
inches.
O C. With 2% confidence, you can say that the population standard deviation is less than
inches.
O D. With 98% confidence, you can say that the population standard deviation is between
and
inches.
Transcribed Image Text:You randomly select and measure the contents of 10 bottles of cough syrup. The results (in fluid ounces) are shown to the right. 4.212 4.299 4.252 4.241 4.183 4.237 4.266 4.249 4.226 4.234 Assume the sample is taken from a normally distributed population. Construct 98% confidence intervals for (a) the population variance o and (b) the population standard deviation o. Interpret the results. (a) The confidence interval for the population variance is (Round to six 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 six decimal place as needed.) O A. With 98% confidence, it can be said that the population variance is between and O B. With 2% confidence, it can be said that the population variance is greater than O C. With 98% confidence, it can be said that the population variance is less than O D. With 2% confidence, it can be said that the population variance is between and (b) The confidence interval for the population standard deviation is (.D). (Round to four 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 four decimal place as needed.) O A. With 98% confidence, you can say that the population standard deviation is greater than inches. O B. With 2% confidence, you can say that the population standard deviation is between and inches. O C. With 2% confidence, you can say that the population standard deviation is less than inches. O D. With 98% confidence, you can say that the population standard deviation is between and inches.
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