The mean salary of federal government employees on the General Schedule is $59,593. The average salary of 36 state employees who do similar work is $58,970 with σ=$1500 At the 0.01 level of significance, can it be concluded that state employees earn on average less than federal employees...

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 mean salary of federal government employees on the General Schedule is $59,593. The average salary of 36 state employees who do similar work is $58,970 with σ=$1500 At the 0.01 level of significance, can it be concluded that state employees earn on average less than federal employees...

Is it a one or two-tailed test?

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