Random samples of 250 persons in the 30- to 40-year age group and 250 persons in the
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Do these data demonstrate that the proportion of persons who have
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Hours of Sleep Age s8 8 Total 30-40 173 77 250 60-70 120130 250 Total 293 207 500
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Related Book For
Statistics Principles And Methods
ISBN: 9780470904114
7th Edition
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
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