For Exercises 13–24, do the following:

  1. Calculate the slope and the intercept of the regression line. Write the regression equation.
  2. Interpret the values for and .

Question 4.113

15.

−5 −4 −3 −2 −1
10 18 18 26 26

4.2.15

(a) (b) For each increase of 1 unit, the estimated value of increases by 4 units. When the estimated value of is 31.6.