With simple regression if we want to know the strength of the relationship or how good a predictor the IV is for the DV the best statistic to look at is the constant the slope R squared p value 10 1 point A researcher looks at two variables the number of cats people own and the number of dogs people own She finds that the correlation coefficient is 84 The best interpretation of this value is As the number of dogs people own goes up the number of cats people tend to own goes down Cats and dogs don t get along Few people with dogs have cats Few people with cats have dogs