Question

It is important for women to gain the right amount of weight during pregnancy by eating a healthy, balanced diet (http://webmd.com). It is recommended that a woman of average weight before pregnancy should gain 25 to 35 pounds during pregnancy. The accompanying table shows a portion of the weight data for 40 women before and after pregnancy; the complete data set, labeled Pregnancy_Weight, can be found on the text website.
Weight after Pregnancy Weight before Pregnancy
168................ 114
161................ 107
: ................ :
157................ 136
a. At the 5% level of significance, determine if the mean weight gain of women due to pregnancy is more than 30 pounds.
b. At the 5% level of significance, determine if the mean weight gain of women due to pregnancy is more than 35 pounds.



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  • CreatedJanuary 28, 2015
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