In the survey on which Table D.12 of the Data Bank is based, a larger number of
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(a) Test equality of the proportions for the last two age groups versus a two-sided alternative. Take α = .05.
(b) Test equality of the proportions for the first two age groups versus a two-sided alternative. Take α = .05.
(c) Explain why the large samples test in part (b) is not valid.
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Statistics Principles And Methods
ISBN: 9780470904114
7th Edition
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
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