The Tampa Bay Area Chamber of Commerce wanted to know whether the mean weekly salary of nurses was larger than that of school teachers. To investigate, they collected the following information for the weekly sample of 8 nurses and 12 School teachers. The mean salary for school teachers was $827 with a standard deviation of $22.8. The mean salary for the nurses was $836 with a standard deviation of $34.4. Is it reasonable to conclude that the mean weekly salary of nurses is higher? Use the .01 significance level.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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The Tampa Bay Area Chamber of Commerce wanted to know whether the mean weekly salary of nurses was larger than that of school teachers. To investigate, they collected the following information for the weekly sample of 8 nurses and 12 School teachers. The mean salary for school teachers was $827 with a standard deviation of $22.8. The mean salary for the nurses was $836 with a standard deviation of $34.4. Is it reasonable to conclude that the mean weekly salary of nurses is higher? Use the .01 significance level.
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