Why Might the Range Not Be an Accurate Representation of Data

question 1

Multiple Choice

Why might the range not be an accurate representation of data dispersion for the data presented in Q17?

• A) Distorted by the lower scores
• B) Distorted by the higher scores
• C) Distorted by both the lower and higher scores
• D) Distorted because the data are platykurtic

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Definitions:

Population Means

The average value of a characteristic in a population.

90% Confidence

A statistical term indicating that there is a 90 percent chance that the true parameter is within the calculated confidence interval.

Standard Deviation

An statistical measure that quantifies the dispersion or spread of a set of data points around their mean value.

Sample Variances

The measure of dispersion within a sample set of data, indicating how much the values in the sample differ from the mean of the sample.