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# At age 9 the average weight (21.3 kg) and the average height(124.5 cm) for both boys and girls are exactly the same. A randomsample of 9-year-olds yielded these res...

## Question

###### At age 9 the average weight (21.3 kg) and the average height(124.5 cm) for both boys and girls are exactly the same. A randomsample of 9-year-olds yielded these results. Estimate the meandifference in height between boys and girls with 95% confidence.Does your interval support the given claim?BoysGirlsSample Size6050Mean Height, cm123.5126.2Population Variance98120

At age 9 the average weight (21.3 kg) and the average height (124.5 cm) 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 Population Variance 98 120

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