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4) Previous experience shows the variance of a given process to be 14. a) State the...

4) Previous experience shows the variance of a given process to be 14. a) State the Hypothesis to determine if the process variance has changed. b) Choose a level of a Use a = 0.05 for this problem. c) To test the hypothesis, the researchers take a sample of 12. The data appear in the Process worksheet of the HW3 data workbook on Moodle. Collect data and calculate necessary statistics to test the hypothesis. d) Sketch the sampling distribution. Include the critical value and test statistic. e) Draw a conclusion and report that in the problem context. f) What is the p-value for the hypothesis test?

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math   Statistics-And-Probability   
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