Question

A study was conducted to investigate the effects of exercise on stress. The table below lists systolic blood pressure reading of subjects after certain tests.

Female/Black 130.67 102.67 93.67 92.00

Male/Black 120.67 133.00 120.33 118.33

Female/White 106.00 108.33 107.33 113.33

Male/White 111.00 99.67 128.33 127.33

Table 2: Stress Test

At α = 0.05 level of significance, test the claim that different groups of subjects have the same mean blood pressure by using the data in table 2. Write down all the important and relevant information that you use to make your decision.

Answer 1