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Consider Testing the Hypotheses H0 μ\mu = 50 VsH1 μ≠\mu \neq 50 If N = 64

Question 81

Multiple Choice

Consider testing the hypotheses H0: μ\mu = 50 vs.H1: μ≠\mu \neq 50. If n = 64, xˉ\bar { x } = 53.5,and  ? \text { ? } = 10,then the value of the test statistic is:


A) z = 1.96.
B) t = 1.64.
C) z = 2.80.
D) t = 1.96.
E) z = 1.64

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