10.122 [EX10-122] A study was conducted to determine whether or not there was equal variability in male and female systolic blood pressure readings.

Random samples of 16 men and 13 women were used to test the experimenter’s claim that the variances were unequal. MINITAB was used to calculate the standard deviations, F, and the p-value. Assume normality.

Men 120 120 118 112 120 114 130 114 124 125 130 100 120 108 112 122 Women 122 102 118 126 108 130 104 116 102 122 120 118 130 Standard deviation of Men  7.8864 Standard deviation of Women  9.9176 F-Test (normal distribution)

Test Statistic: 1.581 P-Value: 0.398 Verify these results by calculating the values yourself.