Multiple Choice
In testing the hypotheses H0: =50 vs. H1: F 50, the following information is known: n = 64, = 53.5, and = 10. The standardized test statistic z equals:
A) 1.96
B) -2.80
C) 2.80
D) -1.96
Correct Answer:

Verified
Correct Answer:
Verified
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