The _______________ Is Most Often Used to Measure Interval and Ratio

question 8

Multiple Choice

The _______________ is most often used to measure interval and ratio variables.

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

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Definitions:

Standard Deviation

Standard deviation is a statistical measure that quantifies the amount of variation or dispersion of a set of data values around the mean (average).

Normally Distributed

A data distribution pattern in which most measurements are concentrated around the mean, creating a symmetrical bell-shaped curve.

Correlation Coefficient

A statistical measure that indicates the extent to which two variables fluctuate together, ranging from -1 to 1, where 1 means a perfect positive correlation.

Statistical Measure

Any of the various calculations used to summarize, describe, or interpret data, including mean, median, mode, variance, and standard deviation.