A certain university has decided to introduce the use of plus and minus with letter grades, as
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A certain university has decided to introduce the use of plus and minus with letter grades, as long as there is evidence that more than 60% of the faculty favor the change. A random sample of faculty will be selected, and the resulting data will be used to test the relevant hypotheses. If p represents the proportion of all faculty that favor a change to plus–minus grading, which of the following pair of hypotheses should the administration test:
H0: p 5 .6 versus Ha: p , .6 or H0: p 5 .6 versus Ha: p . .6 Explain your choice.
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Related Book For
Statistics The Exploration And Analysis Of Data
ISBN: 9781133171744
007th Edition
Authors: Roxy Peck, Ay L Devore
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