Create a new variable whose value is 1 for psychology majors and 2 for all other majors.
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Create a new variable whose value is 1 for psychology majors and 2 for all other majors. Compute Pearson's r between this new variable and the math background quiz score. Interpret both the sign and the magnitude of this correlation.
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Related Book For
Introductory Statistics For The Behavioral Sciences
ISBN: 9780470907764
7th Edition
Authors: Joan Welkowitz, Barry H. Cohen, R. Brooke Lea
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