Question: Researchers are interested in finding out whether their entire sample suffers from hypertension at study baseline. 140 millimeters of mercury is considered a cut-off point between healthy and unhealthy systolic blood pressure. Researchers need to find out whether the average blood pressure of 21 men is higher than the cut-off point.

a) State the Null hypothesis for this problem.

b) State the Alternative hypothesis for this problem.

c) What statistical test is appropriate to answer the question? Justify your answer.

d) Perform the hypothesis testing in SPSS, providing RELEVANT output.

e) Based on the obtained results in d), do you reject the Null hypothesis? Justify your answer.

f) In plain English, what did you find?