Why are unequal class intervals sometimes used in a frequency distribution?
A) To avoid a large number of empty classes
B) For the sake of variety in presenting the data
C) To make the class frequencies smaller
D) To avoid the need for midpoints

Question

Quizplus · Accepted Answer

Unequal class intervals are sometimes used in a frequency distribution to avoid a large number of empty classes. When the data being analyzed cover a wide range, using equal class intervals may result in too many empty classes at the upper or lower ends of the distribution. Unequal intervals can help reduce the number of empty classes and provide a more informative representation of the data.

Why Are Unequal Class Intervals Sometimes Used in a Frequency