Answer: The following table lists the college grade-point averages of 20 mathematics and
Chapter 8, Problem 9(choose chapter or problem)
The following table lists the college grade-point averages of 20 mathematics and computer science majors, together with the scores that these students received on the mathematics portion of the ACT (American College Testing Program) test while in high school. Plot these data, and find the equation of the least squares line for this data. ACT Grade-point ACT Grade-point score average score average 28 3.84 29 3.75 25 3.21 28 3.65 28 3.23 27 3.87 27 3.63 29 3.75 28 3.75 21 1.66 33 3.20 28 3.12 28 3.41 28 2.96 29 3.38 26 2.92 23 3.53 30 3.10 27 2.03 24 2.81
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