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5 Cards in this Set
- Front
- Back
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sample correlation coefficient
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Cov (X,Y) / (Sx * Sy) or
Square Root (R^2) - sign will be the same as the sign of the slope |
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decision rule for the F-test
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reject Ho if F > Fc
Ho: b1 = b2 = b3... = 0 |
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critial t value
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(r*square root (n-2)) / (square root (1-r^2))
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Coefficient of Determination
R^2 |
the % of the total variation in the dependent variable explained by the independent variable
explained variation / total variation or SSR / SST |
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standard error of the forecast
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SEE^2 * [1+ (1/n) + (x - mean x)^2 / ((n-1)*var indep variable)
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