How well do exams given during the semester predict performance on the final? One class had three

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How well do exams given during the semester predict performance on the final? One class had three tests during the semester. Computer output of the regression gives

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a) How much of the variation in final exam scores is accounted for by the regression model?
b) Explain in context what the coefficient of Test 3 scores means.
c) A student argues that clearly the first exam doesn't help to predict final performance. She suggests that this exam not be given at all. Does Test l have no effect on the final exam score? Can you tell from this model?
d) Write the equation of the regression model.
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Related Book For  book-img-for-question

Stats Data And Models

ISBN: 662

4th Edition

Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock

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