The Slope B₁ of the Least Squares Line $\hat { y } = b _ { 0 } + b _ { 1 } x$

question 29

Multiple Choice

The slope b₁ of the least squares line $\hat { y } = b _ { 0 } + b _ { 1 } x$ represents the:

• A) predicted value of Y when X = 0.
• B) estimated average change in Y per unit change in X.
• C) predicted value of Y.
• D) variation around the regression line.

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