Please answer 1-5!! thank you 1. Regression analysis is a modeling technique a.

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Please answer 1-5!! thank you

1. Regression analysis is a modeling technique a. that assumes all data is normally distributed. b. for analyzing the relationship between dependent and independent variable:s. c. for examining linear trend data only d· for capturing uncertainty in predicted values of Y 2. The reason an analyst creates a regression model is a. to determine the errors in the data collected. b. to predict a dependent variable value given specific independent variable values. c. to predict an independent variable value given specific dependent variable values d. to verify the errors are normally distributed. 3. Why do we create a scatter plot of the data in regression analysis? a. To compute the error terms b. Because Excel calculates the function from the scatter plot. c. To visually check for a relationship between X and Y d. To estimate predicted values. 4. The term e in the regression model represents a. the slope of the regression model. b. a random error term. c. a correction for mistakes in measuring X. d. a correction for the fact that we are taking a sample. 5. The error term e in a regression model represents b. unsystematic variation in the dependent variable c. variation not explained by the independent variables. d. all of these

Explanation / Answer

1. By definition, option b is the correct answer

2. By definition, option b is the correct answer. The dependent variable, say 'y', is measured when the dependent variables, the 'x''s are changed.

3. A scatter plot is constructed to measure the correlation between the variables X and Y. Hence option c is correct

4. and 5. - The error term is a random error term which shows to what extent the independent variables do not explain the variation of the dependent variable.

Hence 4. - Option b is correct

5 - All three options a,b and c are correct. Hence answer is option d.

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