Question:
Given a histogram with intervals 10-20, 20-30, 30-40, and 40-50, and frequencies 2, 4, 1, and 3 respectively, what is the frequency of the interval 20-30?
Given a histogram with intervals 10-20, 20-30, 30-40, and 40-50, and frequencies 2, 4, 1, and 3 respectively, what is the frequency of the interval 20-30?