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We recorded the pre-statistics course grade (in percent)--------- and introductory statistics course grade ---------(in percent) for 60 community...
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.?????
