Question: The problem is about correlation and regression in statistics A college faculty collected data on his 20-students' general weighted average (GWA) in the first semester
The problem is about correlation and regression in statistics

A college faculty collected data on his 20-students' general weighted average (GWA) in the first semester and their high school average grade. 1 2 3 4 5 6 7 8 9 10 GWA 2.06 2.08 2.11 1.52 1.62 1.47 2.18 1.7 1.85 1.69 HS grade 92 93 85 87 89 89 89 85 88 95 11 12 13 14 15 16 17 18 19 20 GWA 2.03 2.00 1.46 1.27 2.061.26 2.14 2.2 1.29 1.96 HS grade 85 92 87 92 91 85 91 92 91 85 [ NOTE: This data is from chapter 4 Exercise 4.2 number 4] Question 1 a) Compute the correlation coefficient (Pearson r) b) What is the determination coefficient? c) What can you conclude about the result in a and b -- (or interpret your result) Question 2 a) Compute the regression coefficient b) What is the regression constant? c) Write the Simple Linear Regression Equation; and what can you conclude about the result in a and b -- (or interpret your result)
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