Q
If in a sampling distribution of X the sample size is 25, what assumption must hold for the sampling distribution of X to be normal ?
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A
A. Population distribution is normal
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B
B. Ξ1 = ΞΌx
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C
C. Population distribution is uniform
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D
D. Ξ£x = Οx /βn
Correct Answer:
A. A. Population distribution is normal