Question: It has been suggested that night shift-workers show more variability in their output levels than day workers. Below, you are given the results of two

It has been suggested that night shift-workers show more variability in their output levels than day workers. Below, you are given the results of two independent random samples Night Shift Day Shift Sample Size 9. 8 Sample Mean 520. 540 Sample Variance 38. 20 a. State the null and alternative hypotheses to be tested. b. Compute the test statistic. c. Determine the p-value. d. At 95% confidence, what do you conclude

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