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OpenStax, Introductory Business Statistics 2e §9.4 Full Hypothesis Test Examples · Exercise 25 · Statistics · Hypothesis testing

Full Hypothesis Test Examples · Exercise 25

The mean work week for engineers in a start-up company is believed to be about 60 hours. A newly hired engineer hopes that it’s shorter. They ask ten engineering friends in start-ups for the lengths of their mean work weeks. Based on the results that follow, should they count on the mean work week to be shorter than 60 hours?
Data (length of mean work week): 70; 45; 55; 60; 65; 55; 55; 60; 50; 55.

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OpenStax, Introductory Business Statistics 2e · §9.4 Full Hypothesis Test Examples · Exercise 25

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