4. Bear Mountain Community College administrators want to know the impact a student's work schedule has on GPA. They tracked the number of hours a student worked at their jobs each week and compared that to their semester GPA. Below are data for 10 students. # hours 18 28 42 25 31 12 14 10 36 GPA 2.93 2.71 2.18 2.96 2.68 3.37 3.24 3.45 2.54 (a) Sketch a scatterplot of the data. Describe the association. (b) Write the equation for the line of best fit. (c) Estimate the GPA for a student that works 17 hours weekly. (d) What is R" for these data? Interpret the result