Question

Consider the data on the selling prices($000) of homes in the city of Warren,Pennysylvania,,last year

Selling prices($000) Frequency
120-150 4
150-180 18
180-210 30
210-240 20
240-270 17
270-300 10
300-330 6
What is the cumulative frequency for the $210 up to $240 class?

Answer 1

The cumulative frequency of the 210-240

class is 72

Explanation:

Here we want to get the cumulative frequency of the 210-240 class.

What we will do here is to add the values of the frequency up to that point.

Mathematically, that would be;

4 + 18 + 30 + 20 = 72