If Scores Are Measured with an Interval or Ratio Scale

question 45

Multiple Choice

If scores are measured with an interval or ratio scale, then the preferred measure of central tendency for the scores is the.

• A)mode
• B)median
• C)mean
• D)percentile

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Definitions:

Bimodal

Describes a distribution or data set that has two distinct modes or peaks in its frequency of occurrence.

Parameter

A numerical characteristic of a population, such as mean or standard deviation, that can be estimated by statistics calculated from a sample.

Statistic

A numerical measure that describes an aspect of a sample of data, such as its mean or variance.

Population

The entire pool from which a statistical sample is drawn and to which the researcher intends the results to apply.