Dropout Rates. Refer to Problem 21. a. Determine SST, SSR, and SSE by using the computing formulas.
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Dropout Rates. Refer to Problem 21.
a. Determine SST, SSR, and SSE by using the computing formulas.
b. Obtain the coefficient of determination.
c. Obtain the percentage of the total variation in the observed dropout rates that is explained by average age (i.e., by the regression line).
d. State how useful the regression equation appears to be for making predictions.
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