The Equation for R Involves Dividing the ________ by ________

question 74

Multiple Choice

The equation for r involves dividing the ________ by ________.

• A)COV_xy;the product of the variance of X and Y (S_x^2S_y²)
• B)product of the standard deviation of X and Y (S_xS_y);COV_xy
• C)COV_xy;the product of the standard deviation of X and Y (S_xS_y)
• D)product of the variances of X and Y (S_x^2S_y²);COV_xy

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Definitions:

Standard Deviation

Standard deviation is a statistical measure that quantifies the variability or dispersion of a set of data points or distribution from its mean.

Average Deviation

A statistical measure that describes the average distance of each data point from the mean of the data set.

Least Risky

Describes an option or decision that involves the lowest level of risk compared to alternatives.

Expected Income

The amount of money an individual anticipates earning over a specified future period, often based on current income and future prospects.