Question: A company is doing a hypothesis test on the variation in quality within one supplier. Assume the population is normally distributed. A sample of 12

A company is doing a hypothesis test on the variation in quality within one supplier. Assume the population is normally distributed. A sample of 12 products was selected. The sample mean was 5 and the sample standard deviation was 1.56. Test to see if the standard deviation in quality is less than 1.74 by answering the following questions. Assume a significance level of 0.025.

What is the test statistic value (to 3 decimals)?

What is the critical value (to 2 decimals)?

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