Answer:
Family Size
Explanation:
Correlation is the statistical relationship of co-movement between two variables. Positive correlation means two variables vary in the same direction : one increase, other increase & one decrease, other decrease.
Barry & Sharon experience that : When their family size (no. of people in family rose - i.e family grew) ; then their family experienced more problems. So, as one variable increase & other variable also increase. Hence , these variables - Family Size & Family Problems have positive correlation.
