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The human resource manager of an international company would like to compare the weekly working hours...

The human resource manager of an international company would like to compare the weekly working hours per person between employees in the city a and cityb. Random samples are drawn and the results summarized below:-

City a Sample size Mean( hours) Stand. Dev. ( hours)

A    50    42    8.5

B    40    45 8.0

Text the huypothesis that the trye mean weeekly working hours per person between emplyees in the city A and the city B are difffernt, usingthe critical valur approach, at 5% level of significance.

B

Math   Statistics-And-Probability   
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