The Numerical Value of a Correlation Coefficient Can Be

question 15

Multiple Choice

The numerical value of a correlation coefficient can be

• A) any number.
• B) zero or any positive number.
• C) any number between 0 and 1.
• D) any number between -1 and 1.
• E) any number between -1 and 1 other than 0.

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Definitions:

Mean

The mean of a number set, determined by dividing the sum of all the values by the total count of values.

Interquartile Range

A measure of variability that describes the range within which the middle 50% of a data set lies, calculated as the difference between the 75th and 25th percentiles.

Variability

Variability refers to the extent to which data points in a distribution differ from each other and from the mean of the distribution.

First Quartile

The median of the lower half of a dataset, also called the lower quartile.