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11.ln testing the principals claim, can we use the to distribution?
A. Yes, because the population standard deviation is unknown, and the sample size is small
B. Yes because the simple standard deviation is small, and variance is unknown
C. No, because the population standard deviation is greater than the sample standard deviation
D. No, because the sample size is too small for the given saraple



pa help lods​


Sagot :

B. yes because the simple standard deviation is small ,and variance is unknown..

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