Question: Many people have high anxiety about visiting the dentist. Researchers want to know if this affects blood pressure in such a way that the mean blood pressure while waiting to see the dentist is higher than it is an hour after the visit. Ten individuals have their systolic blood pressures measured while they are in the dentist's waiting room and again an hour after the conclusion of the visit to the dentist. The data are as follows:
a. Write the parameter of interest in this situation.
b. Write the null and alternative hypotheses of interest.
c. Carry out the remaining steps to test the hypotheses you specified in part (b). Use a = .05.