For Exercises 35–38, do the following: (a) State which type of study is involved: experimental or observational. (b) Identify the response variable and the predictor variable.
35. A sociologist is interested in whether large families (at least four children) attend religious services more often than smaller families do.
1.3.35
(a) Observational (b) response variable: how often they attend religious services; predictor variable: whether or not the family is large (at least four children)