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(All Steps) At age 9 the average weight (21.3kg) and the average height (124.5cm) for both boys and girls are exactly the same. A random sample of 9 year

Question: At age 9 the average weight (21.3kg) and the average height (124.5cm) for both boys and girls are exactly the same. A random sample of 9 year olds yielded these results. Estimate the mean difference in height between boys and girls with 95% confidence. Does your interval support the given claim?

Boys Girls
Sample Size 60 50
Mean height , cm 123.5 126.2
Sample variance 98 120

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Solution: The downloadable solution consists of 1 pages
Deliverable: Word Document


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