Question

consider the following frequency table representing the distribution of hourly wages for first jobs of a certain population.

hourly wage at first
job

class	frequency
8.5–9.3	10
9.4–10.2	4
10.3–11.1	6
11.2–12.0	4

step 1 of 2: determine the cumulative frequency for the fifth class.

Explanation:

Step1: Sum all class frequencies

$\text{Cumulative Frequency} = 11 + 10 + 4 + 6 + 4$

Step2: Calculate the total sum

$11+10=21;\ 21+4=25;\ 25+6=31;\ 31+4=35$

Answer:

35