Environmental Club. Use the following information for Exercises 131–133. You are the president of the College Environmental Club, which has members among all four classes: freshmen, sophomores, juniors, and seniors. The total number of members in the club is 20.
131. Set the frequency of each class so that each class has an equal number of members.
2.1.131
(a) and (b)
| Class | Frequency | Relative frequency |
|---|---|---|
| Freshman | 5 | 0.25 |
| Sophomore | 5 | 0.25 |
| Junior | 5 | 0.25 |
| Senior | 5 | 0.25 |