Question 3: The waiting times (in minutes) of a random sample of 22 people at a bank have a sample standard deviation of 3.6 minutes. Assume the sample is from a normally distributed population. Use a...

Question 3: The waiting times (in minutes) of a random sample of 22 people at a bank have<br>a sample standard deviation of 3.6 minutes. Assume the sample is from a normally<br>distributed population. Use a 98% level of confidence to construct the confidence intervals<br>for (a) the population variance and (b) the population standard deviation. Interpret the<br>results.<br>

Extracted text: Question 3: The waiting times (in minutes) of a random sample of 22 people at a bank have a sample standard deviation of 3.6 minutes. Assume the sample is from a normally distributed population. Use a 98% level of confidence to construct the confidence intervals for (a) the population variance and (b) the population standard deviation. Interpret the results.

Jun 07, 2022

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Question 3: The waiting times (in minutes) of a random sample of 22 people at a bank have a sample standard deviation of 3.6 minutes. Assume the sample is from a normally distributed population. Use a...

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