03, Major League Baseball took steps ion. In a sample of 41 games in 2002, ard deviation of 39 minutes. A similar 0 minutes with a standard deviation o ficance) the ariance
03, Major League Baseball took steps ion. In a sample of 41 games in 2002, ard deviation of 39 minutes. A similar 0 minutes with a standard deviation o ficance) the ariance
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![QUESTION 2
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 41 games in 2002, the average duration of a game was 2 hours and 58 minutes with a
standard deviation of 39 minutes. A similar survey in 2003 of 31 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 10% level of
significance) that the variance has been reduced, what is the critical value? (please round your answer to 2 decimal
places)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcc1abcb5-b580-4fef-be0b-359c8c8bc989%2F2cdf5b2f-25ff-4c34-b27d-62e19171a80b%2Fbb8p70q_processed.jpeg&w=3840&q=75)
Transcribed Image Text:QUESTION 2
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 41 games in 2002, the average duration of a game was 2 hours and 58 minutes with a
standard deviation of 39 minutes. A similar survey in 2003 of 31 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 10% level of
significance) that the variance has been reduced, what is the critical value? (please round your answer to 2 decimal
places)
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
Step 1
Given that,
In a sample of 41games in 2002 ,the average duration of a game was 2 hours and 58 minutes with a standard deviation of 39 minutes .
That is ,
In a sample of 31games in 2003 ,the average duration of a game was 2 hours and 40 minutes with a standard deviation of 17 minutes .
That is ,
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