The following data are the systolic blood pressures (in mm Hg) of 12 patients undergoing antihypertensive drug therapy: 183 152 178 157 194 163 144 114 178 152 118 158 It is possible to conclude based on these data that the population mean is less than 165

a. State, in words, the null hypothesis for this test

r b. What is the test statistic? = Answer

c. Use the t-distribution table to determine what is the value of tcrit using a = 0.05? = Answer

d. What is the p -value? (4 decimal places) = Answer and. State the conclusion in the context of the problem studied. Response

F. Suppose your conclusion is wrong. What kind of mistake did you make? Response

g. What is the lower limit of the 95% confidence interval} = Answer