Question

question 1 of 8, step 1 of 2
consider the following frequency table representing the distribution of hourly wages for first jobs of a certain population.
hourly wage at first job
class\tfrequency
5.1–5.7\t2
5.8–6.4\t13
6.5–7.1\t10
7.2–7.8\t6
7.9–8.5\t7
step 1 of 2: determine the cumulative frequency for the fifth class.

Explanation:

Step1: Sum first 5 class frequencies

$2 + 13 + 10 + 6 + 7$

Step2: Calculate total cumulative value

$2+13=15$; $15+10=25$; $25+6=31$; $31+7=38$

Answer:

38