A researcher asked a sample of dual-wage-earner families about the percentage of the family budget that is contributed by the wife's job (Y), and about the total number of children (X). Pearson's r for this relationship is -0.34. Which of the following is an appropriate interpretation of these results?
A) Every additional child lowers the economic well-being of the family.
B) For every additional child, the wife must work longer hours.
C) As the number of children increases, the percentage of the budget contributed by the wife decreases.
D) For every dollar contributed by the wife, the number of children increases by 0.34.

Question

Quizplus · Accepted Answer

The negative Pearson's r value of -0.34 indicates a moderate inverse relationship between the number of children and the percentage of the budget contributed by the wife's job. As the number of children increases, the wife's contribution to the family budget tends to decrease.

A Researcher Asked a Sample of Dual-Wage-Earner Families About the Percentage