#14

14. It has been stated that the average life span of a man is 75 years. A study was conducted of a sample of men in a small town who had died in the last 2 months. Their ages at death were 60, 72, 73, 79, 80, 82, and 89. Using an alpha of .05 determine if there is evidence for a treatment effect. One sample t - 3 points)