Suppose that students who scored much lower than the mean on their first statistics test were given
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Suppose that students who scored much lower than the mean on their first statistics test were given special tutoring in the subject. Suppose that they tended to show some improvement on the next test. Explain what might cause the rise in grades other than the tutoring program itself.
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Related Book For
Essential Statistics
ISBN: 9780134134406
2nd Edition
Authors: Robert Gould, Colleen N. Ryan, Rebecca Wong
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