8. Heights of 9-Year-Olds At age 9 the average weight (21.3kg) 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....

8. Heights of 9-Year-Olds At age 9 the average weight<br>(21.3kg) and the average height (124.5 cm) for both<br>boys and girls are exactly the same. A random sample<br>of 9-year-olds yielded these results. Estimate the<br>mean difference in height between boys and girls with<br>95% confidence. Does<br>claim?<br>your<br>interval<br>support<br>the given<br>Вoys<br>Girls<br>Sample size<br>Mean height, cm<br>Population variance<br>60<br>50<br>123,5<br>126.2<br>98<br>120<br>Source: www.healthepic.com<br>

Extracted text: 8. Heights of 9-Year-Olds At age 9 the average weight (21.3kg) 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 claim? your interval support the given Вoys Girls Sample size Mean height, cm Population variance 60 50 123,5 126.2 98 120 Source: www.healthepic.com

Jun 08, 2022

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8. Heights of 9-Year-Olds At age 9 the average weight (21.3kg) 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....

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