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Use R-studio to answer the following question (copy and paste the following data in excel and show all the command used in R-studio) 1. Do
Use R-studio to answer the following question (copy and paste the following data in excel and show all the command used in
R-studio)
1. Do a multiple regression (using R-studio) model with PovPct as the response variable. Include all of the other variables (except Location) as explanatory variables. Paste your regression output below
2. Remove the most insignificant variable and refit the model. Repeat this until all remaining explanatory variables are statistically significant (at the 0.01 significance level).
- Paste the output from your final model below.
- What is the equation of the regression model?
- What is R2 for this model? Provide the number and an interpretation.
- How does the R2 value from this model compare to the R2 value from part 4? One is smaller, of course, but what is the takeaway?
PovPct | Brth15to17 | Brth18to19 | ViolCrime | TeenBrth |
20.1 | 31.5 | 88.7 | 11.2 | 54.5 |
7.1 | 18.9 | 73.7 | 9.1 | 39.5 |
16.1 | 35 | 102.5 | 10.4 | 61.2 |
14.9 | 31.6 | 101.7 | 10.4 | 59.9 |
16.7 | 22.6 | 69.1 | 11.2 | 41.1 |
8.8 | 26.2 | 79.1 | 5.8 | 47 |
9.7 | 14.1 | 45.1 | 4.6 | 25.8 |
10.3 | 24.7 | 77.8 | 3.5 | 46.3 |
22 | 44.8 | 101.5 | 65 | 69.1 |
16.2 | 23.2 | 78.4 | 7.3 | 44.5 |
12.1 | 31.4 | 92.8 | 9.5 | 55.7 |
10.3 | 17.7 | 66.4 | 4.7 | 38.2 |
14.5 | 18.4 | 69.1 | 4.1 | 39.1 |
12.4 | 23.4 | 70.5 | 10.3 | 42.2 |
9.6 | 22.6 | 78.5 | 8 | 44.6 |
12.2 | 16.4 | 55.4 | 1.8 | 32.5 |
10.8 | 21.4 | 74.2 | 6.2 | 43 |
14.7 | 26.5 | 84.8 | 7.2 | 51 |
19.7 | 31.7 | 96.1 | 17 | 58.1 |
11.2 | 11.9 | 45.2 | 2 | 25.4 |
10.1 | 20 | 59.6 | 11.8 | 35.4 |
11 | 12.5 | 39.6 | 3.6 | 23.3 |
12.2 | 18 | 60.8 | 8.5 | 34.8 |
9.2 | 14.2 | 47.3 | 3.9 | 27.5 |
23.5 | 37.6 | 103.3 | 12.9 | 64.7 |
9.4 | 22.2 | 76.6 | 8.8 | 44.1 |
15.3 | 17.8 | 63.3 | 3 | 36.4 |
9.6 | 18.3 | 64.2 | 2.9 | 37 |
11.1 | 28 | 96.7 | 10.7 | 53.9 |
5.3 | 8.1 | 39 | 1.8 | 20 |
7.8 | 14.7 | 46.1 | 5.1 | 26.8 |
25.3 | 37.8 | 99.5 | 8.8 | 62.4 |
16.5 | 15.7 | 50.1 | 8.5 | 29.5 |
12.6 | 28.6 | 89.3 | 9.4 | 52.2 |
12 | 11.7 | 48.7 | 0.9 | 27.2 |
11.5 | 20.1 | 69.4 | 5.4 | 39.5 |
17.1 | 30.1 | 97.6 | 12.2 | 58 |
11.2 | 18.2 | 64.8 | 4.1 | 36.8 |
12.2 | 17.2 | 53.7 | 6.3 | 31.6 |
10.6 | 19.6 | 59 | 3.3 | 35.6 |
19.9 | 29.2 | 87.2 | 7.9 | 53 |
14.5 | 17.3 | 67.8 | 1.8 | 38 |
15.5 | 28.2 | 94.2 | 10.6 | 54.3 |
17.4 | 38.2 | 104.3 | 9 | 64.4 |
8.4 | 17.8 | 62.4 | 3.9 | 36.8 |
10.3 | 10.4 | 44.4 | 2.2 | 24.2 |
10.2 | 19 | 66 | 7.6 | 37.6 |
12.5 | 16.8 | 57.6 | 5.1 | 33 |
16.7 | 21.5 | 80.7 | 4.9 | 45.5 |
8.5 | 15.9 | 57.1 | 4.3 | 32.3 |
12.2 | 17.7 | 72.1 | 2.1 | 39.9 |
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