If the Covariance of X and Y Is 26

question 99

True/False

If the covariance of x and y is 26.16 and the standard deviation of x is 32.7,then the slope of the least squares line is b₁ =.80.

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Definitions:

Measure

A method or tool used to assess, quantify, or determine the level or degree of a variable or attribute.

Validity

Validity refers to the extent to which a concept, conclusion, or measurement is well-founded and likely corresponds accurately to the real world.

Content Validity

The extent to which a test or measure covers the content it's supposed to cover.

Error Score

The part of a test score that is random and contributes to the unreliability of a test.