Pretend that you want to study the linear relationship between students' numerical grades and number of hours spent studying before final exams. Pick a sample of six students and record their GPA and number of hours spent studying.

Do the following:

A. Plot the regression line.

B. Find the residuals.

C. Graph the residual plot.

D. Find the three types of variation.

As written on the instruction, I assume the sample data will be coming from own choice. Hence, the data that we will be using in this problem is