The human resources director of a large corporation determines the typing speeds of a random sample of secretaries from his company on certain standard materials. He wishes to test the hypothesis that the mean for his population is equal to 50 words per minute, the national norm for secretaries on these materials. Explain in general terms the logic and procedures for testing his hypothesis.

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The Answer is Compare
Compare with sample means expected through random sampling if hyp: were true; if typical, retain hypothesis as a reasonable possibility; if were very atypical, reject hypothesis as unreasonable.

Compare with sample means expected through random sampling if hyp: were true; if typical, retain hypothesis as a reasonable possibility; if were very atypical, reject hypothesis as unreasonable.

with sample means expected through random sampling if hyp:
Compare with sample means expected through random sampling if hyp: were true; if typical, retain hypothesis as a reasonable possibility; if were very atypical, reject hypothesis as unreasonable.

were true; if
Compare with sample means expected through random sampling if hyp: were true; if typical, retain hypothesis as a reasonable possibility; if were very atypical, reject hypothesis as unreasonable.

typical, retain hypothesis as a reasonable possibility; if
Compare with sample means expected through random sampling if hyp: were true; if typical, retain hypothesis as a reasonable possibility; if were very atypical, reject hypothesis as unreasonable.

were very atypical, reject hypothesis as unreasonable.

The Human Resources Director of a Large Corporation Determines the Typing