A Descriptive Measure of the Strength of Linear Association Between

question 59

Multiple Choice

A descriptive measure of the strength of linear association between two variables is the​

• A) ​coefficient of determination.
• B) ​slope b₁ of the estimated regression line.
• C) ​standard error of the estimate.
• D) ​correlation coefficient.

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Definitions:

Forecast

A prediction or estimate of future events, often based on analysis of current and historical data.

Exponential Smoothing

A forecasting technique that applies decreasing weights to past observations, with the most recent observations receiving the most weight.

Smoothing Constant

A parameter used in exponential smoothing models to weigh the significance of the most recent observation in forecasting.

Time Series

Time Series refers to a sequence of data points collected or recorded at successive times, often at regular intervals.