A researcher found Gamma to be -0.28 for a relationship involving social class and frequency of movie attendance. This indicates

a.that as social class increases, so does movie attendance

b. that rich people watch more movies than poor people

c. that a weak association exists between these two variables

d. that people from higher social classes are less likely to attend movies

A researcher found a Pearson's r value of -0.234 for the association between age at birth of their first child and the number of years of education for a group of Canadian women. This result is consistent with the following statement:

a. Children of older mothers attend school for a shorter period of time

b. Attending school for a longer period prevents women from having children

c. Women with more education have less children

d.Attending school for a longer period causes women to wait before having children