A class has had two midterms, both of which showed an average score of 50 points (out of 70) and a SD of 8. The correlation between the scores was .75. Here, X = score on the first exam and Y = score on the second exam. The scatter plot is football shaped. The RMSE for the regression is closest to: |

Last modified: Wed May 13 12:29:11 EDT 1998