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Complete the following linear regression...

Complete the following linear regression analysis questions from the Sevilla & Somers text, using the appropriate data sets from Topic 6 located at the following Web link: http://bcs.wiley.com/he-bcs/Books?action=resource&bcsId=4412&itemId=0470413549&resourceId=13940

o Activity 6.2, all questions 7 thru 9 (a to c) == need explanation, solution with answers.

Lines of Best Fit

7. What is the y-intercept of the line and what does it represent? Interpret the

y-intercept in the context of the data.

8. Use the line you found to predict the average verbal SAT score for a state in

which 60 percent of students take the exam. Where does this value appear on

the graph? Mark it on a copy of the graph.

9. Retrieve the data set “EA6.2.2 Data Movies and Vid.xls” from the CD or website.

This file contains data collected from a sample of college students. Create a scatterplot of the two quantitative variables and find the regression line f

o Activity 6.2, all questions 7 thru 9 (a to c) == need explanation, solution with answers.

Lines of Best Fit

7. What is the y-intercept of the line and what does it represent? Interpret the

y-intercept in the context of the data.

8. Use the line you found to predict the average verbal SAT score for a state in

which 60 percent of students take the exam. Where does this value appear on

the graph? Mark it on a copy of the graph.

9. Retrieve the data set “EA6.2.2 Data Movies and Vid.xls” from the CD or website.

This file contains data collected from a sample of college students. Create a scatterplot of the two quantitative variables and find the regression line f

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