​A Set of X and Y Scores Has M_X =

question 62

Multiple Choice

​A set of X and Y scores has M_X = 4,SS_X = 10,M_Y = 5,SS_Y = 40,and SP = 20.What is the regression equation for predicting Y from X?

• A)​ = 0.25X + 4
• B)​ = 4X - 9
• C)​ = 0.50X +3
• D)​ = 2X - 3

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Definitions:

Standard Deviation

Standard Deviation is a statistic that measures the dispersion of a dataset relative to its mean, indicating how spread out the data points are.

Probability

A measure of the likelihood or chance that a particular event will occur, expressed as a number between 0 and 1.

Sample Mean

The average of all observations or data points in a sample, used as an estimate of the population mean.

Population Mean

The average of all observations or values in a total population, representing the central value around which the figures in the population distribute.