# Question: For the regression equation obtained in Exercise 16 18 analyze the

For the regression equation obtained in Exercise 16.18, analyze the residuals by

(a) Constructing a histogram,

(b) Utilizing the normal probability plot, and

(c) Plotting the residuals versus each of the independent variables. Do any of the assumptions of the multiple regression model appear to have been violated?

(a) Constructing a histogram,

(b) Utilizing the normal probability plot, and

(c) Plotting the residuals versus each of the independent variables. Do any of the assumptions of the multiple regression model appear to have been violated?

**View Solution:**## Answer to relevant Questions

For the regression equation obtained in Exercise 16.19, analyze the residuals by (a) Constructing a histogram, (b) Utilizing the normal probability plot, and (c) Plotting the residuals versus each of the independent ...For the regression equation in Exercise 16.47, the estimated number of persons swimming on a zero-degree weekday would be 100 persons. Since this level of pool attendance is unlikely on such a day, does this mean that an ...A university placement director is interested in the effect that grade point average (GPA) and the number of university activities listed on the résumé might have on the starting salaries of this year’s graduating class. ...Last year’s utility bill (in dollars) for a sample of homes is estimated by the multiple regression equation ŷ = 300 + 7x1 + 13x2, where x1 is the number of occupants and x2 is the number of rooms in the home. a. Identify ...The regression model ŷ = 200 + 5x1 – 2x2 has been fitted to a set of data. If x2 = 10, what will be the effect on ŷ if x1 increases by 1 unit? Will your answer change if x2 = 20? Given the preceding, comment on whether ...Post your question