75
AVMultiple Choice
Prescriptive Test
Question 75 • 26-27 RPA - US History 1 CR
A guidance counselor wants to determine if there is a relationship between a student’s number of absences, x, and their grade point average (GPA), y. The data that were collected are displayed in the scatterplot and the least-squares regression line was calculated. One student with 2 absences has a GPA of 1.8. This point is circled on the graph.
Answer
A
This point will increase the value of the standard deviation of the residuals because it has a large positive residual.B
This point will increase the value of the standard deviation of the residuals because it has a large negative residual.C
This point will not affect the value of the standard deviation of the residuals because it has a large positive residual.D
This point will decrease the value of the standard deviation of the residuals because it has a large negative residual.