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A Education Researcher Measured the IQ Test Scores of 78

Question 25

Multiple Choice

A education researcher measured the IQ test scores of 78 seventh-grade students in a rural school, and also their school grade point average (GPA) measured on a 12-point scale. Here is a graph of GPA versus IQ for these students: A education researcher measured the IQ test scores of 78 seventh-grade students in a rural school, and also their school grade point average (GPA) measured on a 12-point scale. Here is a graph of GPA versus IQ for these students: The line drawn on the graph is the least-squares regression line of GPA on IQ. Use this line to predict the GPA of a student with IQ 110. Your prediction is GPA about A) 1.7. B) 6) C) 7.5. D) 9. The line drawn on the graph is the least-squares regression line of GPA on IQ. Use this line to predict the GPA of a student with IQ 110. Your prediction is GPA about


A) 1.7.
B) 6)
C) 7.5.
D) 9.

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