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The random variable follows a normal distribution in the population with a population mean

Consider a population with mean

D2 Consider the 90% confidence interval estimate of

F2 What is the value of the calculated test statistic for this test? Note: Provide the positive or negative sign of the calculated test statistic.

C2 Consider the 95% confidence interval estimate of the population mean.  The upper bound of this interval is: 

F1 Consider the following test statistics: Test Statistic A  

Consider a population that is NOT normally distributed with mean

This question is about the effect of the sample size on the sampling distribution of the sample mean 

Consider a population with mean

B3 The significance level is given by the probability of which cell: