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 52 games in 2002, the average duration of a game was 2 hours and 58 minutes with a standard deviation of 34 minutes. A similar survey in 2003 of 63 games found that the average duration was 2 hours and 40 minutes with a standard deviation of 20 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)
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 52 games in 2002, the average duration of a game was 2 hours and 58 minutes with a standard deviation of 34 minutes. A similar survey in 2003 of 63 games found that the average duration was 2 hours and 40 minutes with a standard deviation of 20 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)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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 52 games in 2002, the average duration of a game was 2 hours and 58 minutes with a standard deviation of 34 minutes. A similar survey in 2003 of 63 games found that the average duration was 2 hours and 40 minutes with a standard deviation of 20 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)
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