rmda exam 3 chapter 9

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8 Terms

1
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b (beta)

slope

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a

intercept

3
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regression equation

y=bx+a

4
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homogeneity/homoscedastic

all close to the regression line

5
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herterogeneity/heteroscedastic

spread further apart from regression line

6
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residuals

devations around regresssion line

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intercept definition

where the line crosses y-axis

8
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slope defintion

for every 1 unit increase in X, there is a change in Y