Why do frequency distributions of interval-ratio-level data seldom contain more than 15 intervals?
A) The purpose of creating intervals is to reduce the categories into a concise range of values.
B) Midpoints of intervals become unclear when you have too many intervals.
C) The distinction between stated limits and real limits becomes unclear when you have a large number of intervals.
D) Most interval-ratio variables have fewer than 15 possible values, and it is impossible for the number of intervals to exceed the variable's range.

Question

Quizplus · Accepted Answer

Creating intervals is meant to simplify data into a manageable number of categories, and having too many intervals would defeat this purpose.

Why Do Frequency Distributions of Interval-Ratio-Level Data Seldom Contain More