A manager believes that the variance of output on the second shift is greater than the variance on the day shift. The following data are collected:   50 samples on the day shift; variance = 500 40 samples on the second shift; variance = 900 Set up hypotheses Perform a test and state your conclusions.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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A manager believes that the variance of output on the second shift is greater than the variance on the day shift. The following data are collected:

 

50 samples on the day shift; variance = 500

40 samples on the second shift; variance = 900

Set up hypotheses

Perform a test and state your conclusions.

 

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