The file at https://www.uvm.edu/~dhowell/fundamentals8/DataFiles/Fig9-7.dat. contains Ryans height and weight data discussed in connection with Table 9.1. Gender

Question:

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.