Question

step 2 of 2: determine the cumulative frequency for the third class.
hourly wage at first job
class | frequency
5.1 - 5.7 | 2
5.8 - 6.4 | 13
6.5 - 7.1 | 10
7.2 - 7.8 | 6
7.9 - 8.5 | 7

Explanation:

Step1: Identify first 3 class frequencies

Frequencies: 2, 13, 10

Step2: Sum the three frequencies

$2 + 13 + 10 = 25$

Answer:

25