The mean and variance of a comparison distribution that would be used to test the hypothesis that the mean obtained in a study involving 10 participants is different from a known population having a mean of ? = 100 and ?2 = 25 would be

A) mean = 10, variance = 2.5
B) mean = 10, variance = 5
C) mean = 100, variance = 2.5
D) mean = 100, variance = 5

C

Psychology

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