SAT, 03.06.2020 14:03 datboyjulio21
Heights of 9-Year-Olds At age 9 the average weight (21.3 kg) and the average height (124.5 cm) for both boys and girls are the same. A random sample of 9year-olds yielded these results. Estimate the mean difference in height between boys and girls with 95% confidence. Does your interval support the given claim?
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Heights of 9-Year-Olds At age 9 the average weight (21.3 kg) and the average height (124.5 cm) for b...
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