Author Question: Ten students in a graduate program were randomly selected. Their grade point averages (GPAs) when ... (Read 448 times)

abc · **on:** Jun 16, 2021

Question 1

Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below.

Find the regression line y = mx + b.
◦ y = 2.02x - 47.3
◦ y = - 0.669x + 92.3
◦ y = 1.02x + 11.7
◦ y = 1.35x + 2.81

Question 2

Ten students in a graduate program were randomly selected. Their grade point averages (GPAs) when they entered the program were between 3.5 and 4.0. The following data were obtained regarding their GPAs on entering the program versus their current GPAs.

Find the regression line y = mx + b.
◦ y = 0.329x + 2.51
◦ y = 0.497x + 5.81
◦ y = 0.0212x + 4.91
◦ y = 0.0313x + 3.67

lorealeza77 · **Reply #1 on:** Jun 16, 2021

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