In Exercise 11.17, we ran a multiple regression with Gender as a predictor. Now run separate regressions for males and females.
The file at
https://www.uvm.edu/~dhowell/fundamentals8/DataFiles/Fig9-7.dat.
contains Ryan’s height and weight data discussed in connection with Table 9.1. Gender is coded 1 5 male and 2 5 female. Compare the simple regression of Weight predicted from Height with the multiple correlation of weight predicted from both height and gender.