The number of hours of reserve capacity of 10 randomly selected automotive batteries is shown to 1.77 the right. 1.82 1.55 1.66 1.79 1.92 1.39 1.57 1.47 2.09 Assume the sample is taken from a normally...


The number of hours of reserve capacity of 10 randomly selected automotive batteries is shown to 1.77<br>the right.<br>1.82<br>1.55<br>1.66<br>1.79<br>1.92<br>1.39<br>1.57<br>1.47<br>2.09<br>Assume the sample is taken from a normally distributed population. Construct 98% confidence intervals for (a) the population variance o and (b) the population<br>standard deviation o.<br>(a) The confidence interval for the population variance is<br>(Round to three decimal places as needed.)<br>Interpret the results. Select the correct choice below and fill in the answer box(es) to complete your choice.<br>(Round to three decimal places as needed.)<br>O A. With 2% confidence, it can be said that the population variance is greater<br>B. With 98% confidence, it can be said that the population variance is<br>than<br>between<br>and<br>O C. With 2% confidence, it can be said that the population variance is between<br>D. With 98% confidence, it can be said that the population variance is less<br>and<br>than<br>(b) The confidence interval for the population standard deviation is ( . ).<br>(Round to three decimal places as needed.)<br>

Extracted text: The number of hours of reserve capacity of 10 randomly selected automotive batteries is shown to 1.77 the right. 1.82 1.55 1.66 1.79 1.92 1.39 1.57 1.47 2.09 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. (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 2% confidence, it can be said that the population variance is greater B. With 98% confidence, it can be said that the population variance is than between and O C. With 2% confidence, it can be said that the population variance is between D. With 98% confidence, it can be said that the population variance is less and than (b) The confidence interval for the population standard deviation is ( . ). (Round to three decimal places as needed.)

Jun 09, 2022
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