Make a histogram. Refer to the first-exam scores from Exercise 3.7. Use these data to make a histogram using classes 50-59, 60-69, etc. Compare the histogram with the stemplot as a way of describing this distribution. Which do you prefer for these data?
Exercise 3.7
Make a stemplot. Here are the scores on the first exam in an introductory statistics course for 30 students in one section of the course:
Use these data to make a stemplot. Then use the stemplot to describe the distribution of the first-exam scores for this course.