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Posted: **Sun Oct 03, 2021 11:18 am**

: We Take A Sample Of Size 16 From A Population Representing The Service Time At A Gas Station The Sample Average Is 5 2 1 (76.38 KiB) Viewed 79 times

: We Take A Sample Of Size 16 From A Population Representing The Service Time At A Gas Station The Sample Average Is 5 2 2 (135.82 KiB) Viewed 79 times

We take a sample of size 16 from a population representing the service time at a gas station. The sample average is 5.2 minutes and the sample standard deviation is 1.1. Calculate the 90% confidence interval for the population variance assuming the population mean is unknown.

The lower end of the confidence interval is should be a number rounded to five decimal pla use symbols such as %] The upper end of the confidence interval is