Multiple Choice
If = 30, s = 5.2, = 28.0, s = 6.1 and N = 13, the value of the most powerful statistic to test the significance of the sample mean is _________.
A) - 1.18
B) 1.96
C) 2.18
D) - 1.39
Correct Answer:

Verified
Correct Answer:
Verified
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