Question: Following is a sample from a population with median m. Use the sign test to test H0: m = 20 versus H1: m > 20.

Following is a sample from a population with median m. Use the sign test to test H0: m = 20 versus H1: m > 20.38 47 55 38 40 43 36 49 43 55 43 47

a. What is the value of the test statistic?

b. Is H0 rejected at the α = 0.05 level?

c. Is H0 rejected at the α = 0.01 level?

38 47 55 38 40 43 36 49 43 55 43 47 38 50 38 43

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