Refer to the Students data file (Exercise 1.11 on page 21). Construct partial tables relating opinion about abortion to opinion about life after death, controlling for attendance at religious services, measured using the two categories (Never or occasionally, Most weeks or every week). Prepare a report

(a) posing and interpreting a possible arrow diagram, before you analyze the data, for relationships among the variables,

(b) interpreting the sample associations in the bivariate table and the partial tables,

(c) revising, if necessary, your arrow diagram based on the evidence in the sample data.