A study wanted to estimate the improvement in systolic blood

A study wanted to estimate the improvement in systolic blood pressure for people who walk daily. The study measured the resting systolic blood pressure of the study participants at the beginning of the study and then again after participating in a walking program for three weeks.

Choose the appropriate statistical inference procedure for this scenario.

hypothesis test for the difference between two population proportions

confidence interval estimate for the difference between two population proportions

hypothesis test for the difference in population means from two independent samples

confidence interval estimate for the difference in population means from two independent samples

hypothesis test for a population mean from paired differences

confidence interval estimate for a population mean from paired differences

hypothesis test for independence (contingency table)

hypothesis test for a multinomial experiment (Goodness of Fit)

hypothesis test for one population proportion

Solution