Question: The sign test is performed to test H0: m = 42 versus H1: m 42. There are 19 plus signs, 5 minus signs, and

The sign test is performed to test H0: m = 42 versus H1: m ≠ 42.

There are 19 plus signs, 5 minus signs, and 4 zeros.

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?

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