Answer
m=136.5
This means that the number of service members discharged for homosexuality increased by an average of 136.5 per year from 1994 to 1998.
Work Step by Step
m=$\frac{y_2-y_1}{x_2-x_1}$
m=$\frac{1163-617}{1998-1994}$
m=$\frac{546}{4}$
m=136.5
This means that the number of service members discharged for homosexuality increased by an average of 136.5 per year from 1994 to 1998.