a. Calculate the p-value of the test described here. H0: = 60 H1: > 60
Question:
H0: μ = 60
H1: μ > 60
x̄ = 72, n = 25, σ = 20
b. Repeat part (a) with x̄ = 68.
c. Repeat part (a) with x̄ = 64.
d. Describe the effect on the test statistic and the p-value of the test when the value of x̄ decreases.
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a Pvalue P Z 300 1 9987 0013 b Pvalue P ...View the full answer
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Related Book For 
Statistics For Management And Economics Abbreviated
ISBN: 9781285869643
10th Edition
Authors: Gerald Keller
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