21. Big Kids To determine whether there is a significant difference in the weights of boys and...
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21. Big Kids To determine whether there is a significant difference in the weights of boys and girls beginning kindergarten, random samples of 50 boys and 50 girls aged 5 years produced the following information.
a. What is the point estimate of the difference in the average weights for 5-year old boys and girls? What is the margin of error for this estimate?
b. What is the 98% confidence interval estimate of m 2m B G? Is there a significant difference in the average weights of 5-year old boys and 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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