In performing hypothesis tests about the population mean, if the population standard deviation is not known, a t test can be used to test the mean if _________________.
A)n is small
B)the sample is random
C)the population mean is known
D)the population is normally distributed
E)the population is chi-square distributed

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The Answer of In performing hypothesis tests about the population mean, if the population standard deviation is not known, a t test can be used to test the mean if _________________.
A)n is small
B)the sample is random
C)the population mean is known
D)the population is normally distributed
E)the population is chi-square distributed

In Performing Hypothesis Tests About the Population Mean, If the Population