A sociologist is studying the effect on the divorce rate of having children with

Question

A sociologist is studying the effect on the divorce rate of having children within the first three years of marriage. From city marriage records she selects a random sample of 400 couples who were married between 1985 and 1990 for the first time, with both members of the couple between 20 and 25. Of the 400 couples, 220 had at least one child within the first three years of marriage. Of the couples who had children, 83 were divorced within 5 years, while in the couples who didn't have children within three years only 52 were divorced. Suppose p1 is the proportion of couples married in this time-frame who had a child within the first three years and were divorced within five years and p2 is the proportion of couples married in this time-frame who did not have a child within the first three years and were divorced within five years. The sociologist hypothesized that having children early would increase the divorce rate. She tested the one-sided alternative and obtained a P-value of 0.0314. The correct conclusion is that A. there is evidence of an association between divorce rate and having children early in a marriage. B. if you want to decrease your chances of getting divorced, it is best not to marry until you are closer to 30 years old. C. if you want to decrease your chances of getting divorced, it is best to wait several years before having children.

Explanation / Answer

B. if you want to decrease your chances of getting divorced, it is best not to marry until you are closer to 30 years old.

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