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Unformatted text preview: HP340: Biostatistics, Fall 2009 Name:________________________ DUE: Monday, Nov 23 Homework #10 1. When two scores are obtained from each participant, a ______ distribution is obtained. a. normal b. covariate c. two set d. bivariate e. straight line regression 2. If two variables covary, then ______. a. a change in one variable is not accompanied by a consistent change in the other variable b. as one variable increases, the other must decrease c. the two variables share the same mean d. they must also covary with a third variable e. a change in one variable is accompanied by a consistent change in the other variable 3. If two variables are related so that increasing values of one variable are associated with increasing values of the other variable, then there is a _____ or ______ relationship between the variables. a. positive; direct b. positive; inverse c. negative; direct d. negative; inverse e. negative; correlated 4. Which of the following values of r allows perfect prediction of the Y score from knowledge of 4....
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