A company assembles remote controls for television sets. The companys design engineers have developed a revised design
Question:
a. What statistical test do you recommend the company use? Why?
b. State the null and alternative hypotheses of interest to the company.
c. At the 0.025 level of significance, is there any evidence to support the engineers’ belief that the revised design reduces assembly time?
d. How might the results of the statistical test be used by the company’s management?
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Related Book For
Business Statistics A Decision Making Approach
ISBN: 9780133021844
9th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
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