Lind, Marchal, & Wathen text
The following frequency distribution reports number of frequent flier miles, reported in the thousands, for employees of Brumley Statistical Consulting, Inc. throughout the first quarter of 2004.
| Frequent Flier Miles (000) |
Number of Employees |
| 0 up to 3 |
5 |
| 3 up to 6 |
12 |
| 6 up to 9 |
23 |
| 9 up to 12 |
8 |
| 12 up to 15 |
2 |
| Total |
50 |
a. How many employees were studied?
b. Develop a histogram.