The p-value is 0.0052. At the 5% level of significance, the null hypothesis O should be revised. should not be tested. should be rejected. O should not be rejected.
The p-value is 0.0052. At the 5% level of significance, the null hypothesis O should be revised. should not be tested. should be rejected. O should not be rejected.
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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Transcribed Image Text:In order to determine whether or not there is a significant difference between the mean hourly wages paid by two companies (of the same industry), the following data have been accumulated.
Company A
Company B
Sample size
70
55
Sample mean
$15.75
$15.25
Sample standard deviation
$1.00
$0.95
The p-value is 0.0052. At the 5% level of significance, the null hypothesis
O should be revised.
O should not be tested.
O should be rejected.
should not be rejected.
O O
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