Confidence intervals and hypothesis tests are directly linked ... a p-value answers the question "How surprising is my sample?" The confidence interval can answer the question "What values of the ...

In this section hypothesis testing concerning population means is explored. A random sample of size n is taken from some population. Either the population is normal in which case n can be of any size, ...

and the rejection region for a hypothesis test. Give the form of a rejection region. Perform tests concerning a true population variance. Compute the sampling distributions for the sample mean and ...