We find that the correlation between math ability (X ) and musical aptitude scores (Y) is r
Question:
(a) Based on their math scores, who is predicted to have the higher music score and why?
(b) What procedure would we use to predict their music scores?
(c) If our predictions are wrong, what is the “average” amount we expect to be “off”?
(d) How much smaller is this error than if we don’t use math scores to predict music scores?
(e) What is you answer in part (d) called?
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Related Book For
Basic Statistics for the Behavioral Sciences
ISBN: 978-0840031433
6th edition
Authors: Gary W. Heiman
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