18. Big Kids, continued To determine whether there is a significant difference in the average weights of
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18. Big Kids, continued To determine whether there is a significant difference in the average weights of boys and girls beginning kindergarten, random samples of 50 5-year-old boys and 50 5-year-old girls produced the following information.
Find a 99% lower confidence bound for the difference in the average weights of 5-year-old boys and girls. Can you conclude that on average 5-year-old boys weigh more than 5-year-old girls?
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Related Book For
Introduction To Probability And Statistics
ISBN: 9780357114469
15th Edition
Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver
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