The sum of the relative frequencies for all classes will always equal _____.
A) the sample size
B) the number of classes
C) 1
D) 100

Question

Quizplus · Accepted Answer

The sum of the relative frequencies for all classes will always equal 1 because relative frequency is calculated as the frequency for a particular class divided by the total number of observations. Therefore, when we add up the relative frequencies for all classes, we are essentially summing up the proportions of the entire dataset, which should always equal 1.

The Sum of the Relative Frequencies for All Classes Will