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Unformatted text preview: verage, than the students at a neighboring allmale school. The president
of the allmale school responded that he thought the mean study time for each student body was
undoubtedly about the same and suggested that a study be undertaken to clear up the controversy.
Accordingly, independent samples were taken at the two schools with the following results:
School
All Female
All Male Sample Size
65
75 Mean Study Time (hrs)
18.56
17.95 Standard deviation (hrs)
4.35
4.87 Determine, at the 2% level of significance, if there is a significant difference between the mean studying
times of...
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This document was uploaded on 02/26/2014 for the course MATH 2311 at University of Houston.
 Spring '08
 HAFEEZ

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