The personnel director in Problem 1 finds her sample results to be highly inconsistent with the hypothesis that μ 50 words per minute. Does this indicate that something is wrong with her sample and that she should draw another? (Explain.)wrong with her sample and that she should draw another? (Explain.)

Problem 1

The personnel director of a large corporation determines the keyboarding speeds, on 1. certain standard materials, of a random sample of secretaries from her company. She wishes to test the hypothesis that the mean for her 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 her hypothesis.