A Common Rule of Thumb for Determining How Many Classes

question 32

Multiple Choice

A common rule of thumb for determining how many classes to use when developing a frequency distribution with classes is:

• A) between 5 and 20 classes.
• B) no fewer than 6 classes.
• C) equal to 0.25 times the number of data values.
• D) at least 10 classes.

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Definitions:

Insulation

Material used to prevent the transfer of heat, electricity, or sound from one area to another.

Open Wound

A break in the skin or mucous membrane exposing internal tissues to potential infection and other complications.

Free of Infection

A state in which an individual or environment has no presence of harmful microorganisms.

Caloric Intake

The total number of calories consumed through food and drink in a given period, critical for maintaining body weight and energy balance.