Figure A shows a scatterplot for the number of semesters that students have attended a community college and the number of credits they have accumulated. Figure B shows a residual plot of the same data. Is the linear regression model appropriate for these data? Why or why not? Assume the observations are independently measured.

Transcribed Image Text:

Scatterplot 140 120 100 80 40 20 0 1 2 3 4 5 6 7 8 9 Semesters Residual Plot 40 1 10 -10 30 -40 -50 0 2 5 Semesters