What Is the Degrees of Freedom for the Explained Variation

question 1

Short Answer

What is the degrees of freedom for the explained variation?
a) 1
b) 8
c) 9
d) none of the above

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Definitions:

True Regression Coefficients

The actual values of the coefficients in the population regression equation, which describe the relationship between independent and dependent variables.

Y-Intercept

The point at which a line crosses the y-axis in a graph, representing the value of the dependent variable when the independent variable is zero.

Slope

A measure of the steepness or incline of a line, often represented as the ratio of the change in the y-value over the change in the x-value between two points on the line.

True Regression Line

The exact linear relationship between the independent and dependent variables in a population.