Can one predict a student's score on the midterm test in a statistics course from the number of hours the student spent studying for the test? to explore this, the teacher of the course asks students how many hours they spent studying for the test and then makes a scatterplot of the time students spent studying and their scores on the test. in making the scatterplot, the teacher should

a. plot the score on the test on the horizontal axis.
b. plot time spent studying for the test on the horizontal axis.
c. first determine if the scores on the test approximately follow a normal distribution.
d. use a plotting scale that makes the overall trend roughly linear.
e. none of the above.