Answer
a.)m=0.16
b.) 0.16, 0.16, minute of walking
Work Step by Step
m=$\frac{y_2-y_1}{x_2-x_1}$
m=$\frac{42-26}{180-80}$
m=$\frac{16}{100}$
m=0.16
For each minute of brisk walking, the percentage of patients with depression remission increased by 0.16%. The rate of change is 0.16% per minute of walking.
