The overall distance traveled by a golf ball is tested by hitting the ball with Iron Byron, a mechanical golfer with a s
Posted: Thu Jul 14, 2022 4:52 pm
The overall distance traveled by a golf ball is tested by hitting the ball with Iron Byron, a mechanical golfer with a swing that is said to emulate the legendary champion, Byron Nelson. Ten randomly selected balls of two brands are tested and the overall distance measured. Assume that the variances are equal. The data follow: (a) Is there evidence to show that there is a difference in the mean overall distance of brands? Use α=0.05 (b) Calculate a 95\% two-sided confidence interval on the difference in mean overall distance. Round your answer to one decimal place (e.g. 98.7). ≤