In Constructing a Frequency Distribution, as the Number of Classes

question 30

Multiple Choice

In constructing a frequency distribution, as the number of classes is decreased, the class width _____.

• A) decreases
• B) remains unchanged
• C) increases
• D) can increase or decrease depending on the data values

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Definitions:

Population Variances

A metric that quantifies the degree to which a set of values in a population varies.

Sampling Distribution

The probability distribution of a statistic based on a large number of samples drawn from a specific population.

Unequal-variances T-test

A statistical test used to compare the means of two groups that do not have the same variance.

Non-integer Number

A number that is not an integer, implying it can be a fraction, decimal, or irrational number.