3. The regression line has been fitted to the data points (4 8) (2 5) and (1 2)

3. The regression line has been fitted to the data points (4 8) (2 5) and (1 2). The sum of the squared residuals will be: 4. In determining monthly seasonal indexes the first step is to construct a centered moving average with a period of 5. To test the validity of a multiple regression model we test the null hypothesis that the regression coefficients are all zero by applying the: 6. When is the Tukey multiple comparison method used? 7. In one-way analysis of variance between-treatments variation is measured by the: 8. Which of the following statistics and procedures can be used to determine whether a linear model should be employed? 9. Which method would you recommend to your statistics professor in selecting the appropriate forecasting model if avoiding large errors is extremely important to him or her? 9. The cyclical component of a time series 10. Suppose a multiple regression analysis involving 25 data points has and SSE = 36. Then the number of the independent variables must be: 11. The Kruskal-Wallis test is always: 12. Which of the following tests employs matched-pairs sampling? 13. The primary interest of designing a randomized block experiment is to: 14. In the first-order linear regression model the population parameters of the y-intercept and the slope are respectively 15. To determine whether data were drawn from a multinomial distribution with certain proportions you use a: