We recorded the pre-statistics course grade (in percent)——— and introductory statistics course grade ———(in percent) for 60 community college students. ———Then we generated the following scatterplot of the data.———–

For this linear regression model, r2 = 0.70. What does this mean?

????About 30% of the total variation in the introductory statistics course grade is to due variable(s) other than the pre-statistics course grade.???

????The pre-statistics course grade explains 70% of the introductory statistics course grade.?????????

????The introductory statistics grade explains 70% of the total variation in the pre-statistics course.??????

????The pre-statistics course grade explains 70% of the total variation in the introductory statistics course grade.????????

?????About 70% of the data is along the regression line.?????