Use the data in question 24 to graph the cumulative frequency on a bar chart by using Microsoft Excel.

Question 24

Construct a cumulative frequency table for the tally table you constructed in question 23.

Question 23

Use the data given in question 22 to construct a tally table for the grades. Use intervals 51–60, 61–70, 71–80, 81–90, and 91–100.

Question 22

The students in an especially demanding history class earned the following grades on the midterm exam: 86, 75, 92, 98, 71, 55, 63, 82, 94, 90, 80, 62, 62, 65, and 68. Use MINITAB to draw a stem-and-leaf graph of these grades.