Question

A B с 1 1 District 2 Los Angeles 3 Sacramento 4 Atlanta 5 Boise 6 Dallas 7 Providence 8 San Jose 9 Cheyenne 10 Fargo 11 New Orleans 12 Oklahoma City 13 Houston 14 Portland 15 Phoenix 16 Augusta 17 Albuquerque 18 Greensboro 19 Columbia 20 Nashville 21 Buffalo Average Gross Percent Income Audited 36,664 1.3 38,845 1.1 34,886 1.1 32,512 1.1 34,531 35,995 1 37,799 0.9 33,876 0.9 30,513 0.9 30,174 0.9 30,060 0.8 37,153 0.8 34,918 0.7 33,291 0.7 31,504 0.7 29,199 0.6 33,072 0.6 30,859 0.5 32,566 0.5 34,296 0.5 72

Use this file to answer the following questions:

1. what is the p-value to test whether there is a significant relationship between the variables?

2. Based on the estimated line, approximately what audit percentage would you predict at an average gross income of 35000?

3. what average gross income is associated with an audit percentage of 0.7?

4. what is the slope of the estimated regression line?

5. what is the coefficient of determination?

Answer 1

M N yo Percent Audited Averagr Gross income District Averagr Gross income Percent Audited Los angles 36,664 1.3 Sacramento 45,000 38,845 1.1 Atlanta 34,886 1.1 Boise 40,000 32,512 1.1 Dallas 34,531 1 35,000 Providence 35,995 1 San jose 37,799 0.9 30,000 Cheyenne 33,876 0.9 Fargo 30,513 0.9 25,000 1 New Orleans 30,174 0.9 2 Oklahoma City 30,060 0.8 20,000 Houston 37,153 0.8 4 Portland 34,918 0.7 15,000 Phoenix 33,291 0.7 Augusta 31,504 0.7 10,000 7 Albuquerque 29,199 0.6 8 Greensboro 33,072 0.6 5,000 Columbia 30,859 0.5 Nashville 32,566 0.5 0 Buffalo 0.5 2 3 1.Peak Value is 38.845. 4 2.Audit percentage calculation to attain gross income of 35000=(1.1+1+0.7)/3=1 5 3. Gross income associated with 0.7 percentage is (34918+33291+31504/3)=33238 3 U 6 9 0 1 2 34,296 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20