"Firm Believers More Likely to be Flabby, Purdue Study Finds" reported in March 1998: "Sociology professor Kenneth Ferraro found the correlation between being overweight and being religious was statistically significant regardless of a person's choice of faith."14
a. Was weight (being overweight or not) apparently treated as a quantitative or categorical variable?
b. Was religion (being religious or not) apparently treated as a quantitative or categorical variable?
c. Would the relationship be explored with chi-square or with regression?
d. Explain why "association" would be a better word to use in the circumstances than "correlation."