Breast feeding sometimes results in a temporary loss of bone mass as calcium is depleted in the mother's body to provide for milk production. An investigation gave the following data on total body bone mineral content (g) for a sample of mothers both during breast feeding (B) and in the postweaning period (P). Subject 1 2 3 4 5 6 7 8 9 10 B 2170 1840 2563 2348 2721 2601 2386 2640 2549 1852 P 2300 1994 2594 2523 2852 2774 2534 2829 2578 2039 Do the data suggest that true average total body bone mineral content during postweaning exceeds that during breast feeding by more than 25 g? State and test the appropriate hypotheses using a significance level of 0.05. (Use a statistical computer package to calculate the P-value. Use ?P − ?B. Round your test statistic to two decimal places and your P-value to three decimal places.) t =  df =  P-value =

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Breast feeding sometimes results in a temporary loss of bone mass as calcium is depleted in the mother's body to provide for milk production. An investigation gave the following data on total body bone mineral content (g) for a sample of mothers both during breast feeding (B) and in the postweaning period (P).

Subject 1 2 3 4 5 6 7 8 9 10
B 2170 1840 2563 2348 2721 2601 2386 2640 2549 1852
P 2300 1994 2594 2523 2852 2774 2534 2829 2578 2039

Do the data suggest that true average total body bone mineral content during postweaning exceeds that during breast feeding by more than 25 g? State and test the appropriate hypotheses using a significance level of 0.05. (Use a statistical computer package to calculate the P-value. Use ?P − ?B. Round your test statistic to two decimal places and your P-value to three decimal places.)

t
df
P-value


Conclusion

Fail to reject H0. OR Reject H0.    
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