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The equation of the linear regression line represents the relationship between the number of cars washed for charity, x, and the amount earned for the charity, y. What does the slope of the line represent?
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The equation of the linear regression line represents the relationship between the number of cars washed for charity, x, and the amount earned for the charity, y. What does the slope of the line represent? yˆ=10x+20

User Balazs Varhegyi
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For every car washed for charity, the amount earned for the charity increases by $10.

User Xiaodong
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