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Measure of a linear relationship between two variables?

What is a measure of a linear relationship between two variables?

Define:
A. correlation
B. range
C. standard deviation
D. median

Solution Preview

Correlation r is the relationship between the independent variable x and the dependent variable y. When x changes, also the value of y changes. Usually this relationship is expressed using an linear equation y = a + bx, where the constants a = y-intercept and b = slope of the line. Giving different ...

Solution Summary

This solution offers definitions to some basic statistical variables: correlation, range, standard deviation, and median.

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