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Earn +20 ptsQ: What does r squared mean in a regression analysis?
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What does the R mean in pie R squared?
radius
What does the circumference of a circle?
You mean what Is the circumference of a circle? pi*(r)squared.
What does the R mean in equation pi x R squared?
R means radius because the area of a circle = pi*radius2
What is regression coefficient and correlation coefficient?
The strength of the linear relationship between the two variables in the regression equation is the correlation coefficient, r, and is always a value between -1 and 1, inclusive. The regression coefficient is the slope of the line of the regression equation.
What is the surface area of half a sphere?
its 2 pie r squared BUT you have to add back the base (a circle) which is pie r2 The original formula is 4 pie r squared Your new formula is (2 pie r squared + pie r squared)
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