At age 9 the average weight (21.3kg) and the average height (124.5cm) for both boys and girls are ex
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 solution file consists of 1 page
Deliverables: Word Document
Deliverables: Word Document