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

question 47

Multiple Choice

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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