Question

1. In 2003, Major League Baseball took steps to speed up the paly of baseball games and make games a more consistent duration. In a sample of 44 games in 2002, the average duration of a game was 2 hours and 58 minutes with a standard deviation of 29 minutes. A similar survey in 2003 of 60 games found that the average duration was 2 hours and 40 minutes with a standard deviation of 17 minutes. When testing the hypothesis (at the 5% level of significance) that the variance has been reduced, what is the test statistic? (please round your answer to 2 decimal places) ***PLEASE SHOW WORK AS I NEED TO KNOW HOW TO DO THE PROBLEM****

Answer 1

The test statistics is

F = 2.91