Pre-Statistics and Statistics Course Grades: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 and residual plot of the data.

For one student with a pre-statistics course grade of 78%, the residual is 7%. The fact that the residual is positive tells us that the predicted introductory statistics course grade is an ________ of the observed course grade.

Group of answer choices

overestimate

underestimate

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