W Fomanung ENGIR 2220 Summer I 2017 Name: II. Multiple Choice - Circle the lette

Question

W Fomanung ENGIR 2220 Summer I 2017 Name: II. Multiple Choice - Circle the letter of the most appropriate response (30 points) 1. Regression analysis is used primarily for the purpose of a. Explication b. Prediction d. Description 2. The formula for the simple linear regression is: 3. The error sum of squares, SSE, represents: a. The sum of the squared differences between Yand b. The difference between Fand not explained by the regression. c. The sum of the squared differences between Pand Y d. The difference between F and Y not explained by the regression The requirement that the variation around the line of regression be constant for all values of X is called: 4. a. Independence of errors b. Homoscedasticity c. Normality d. Residuals 5. The standard deviation of the line of regression is called the a. Standard error of the estimate b. Regression coefficient c. Error sum of squares d. Regression sum of squares 6. analysis is used to evaluate the aptness of the regression model that has been fitted to the data a. Residual b. Correlation c. Exploratory data d. Regression

Explanation / Answer

1. Correct answer:(B) prediction
2. Correct answer: option (C)
3. Correct answer: Option (D)
4. Correct answer: Option(B)
5. Correctnaswer: Option(A)
6. Correct answer: option (D)
7. Correct answer: option B) II only
8. Correct answer: Option (D)

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