Statistics Problem

Topics: Hypothesis Testing (Matched Pairs & Independent Samples)

Instructions

Fill in the Blanks at the bottom, please use EXCEL to answer questions

Question

The manager of Falcon Co. publishing company is curious about the error rates of the typist in the secretarial pool.The managers belief is that the typist make more errors in the morning when they are not yet "warmed up", while some of the assistant managers believe the typist make more errors in the afternoon once fatigue has set in.Given that ?1 and ?2 are both 1.5, based on the samples below is there evidence of an increased error rate in the morning?

Falcon Publishing Company Secretarial Typing Errors Random Morning Sample Random Afternoon Sample 5 2 7 7 4 in 6 5 6 4 4 4 4 4 4 6 4 5 6 LU 2 6 5 4 5 3 5 5 6 3 6 2 3 4 3 4