Question: Answer Problem 8.7 if a one-sided rather than a two sided test is used? Nutrition The mean 1 sd of ln [calcium intake (mg)] among

Answer Problem 8.7 if a one-sided rather than a two sided test is used?

Nutrition

The mean ±1 sd of ln [calcium intake (mg)] among 25 females, 12 to 14 years of age, below the poverty level is 6.56 ± 0.64. Similarly, the mean ± 1 sd of ln [calcium intake (mg)] among 40 females, 12 to 14 years of age, above the poverty level is 6.80 ± 0.76.

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