I If the Coefficient of Correlation Is 0

question 23

Multiple Choice

i. If the coefficient of correlation is 0.70, what is the coefficient of determination? ii. If the value of r is -0.88, what does this indicate about the dependent variable as the independent variable increases?
iii. If the dependent variable is measured in hours, in what units is the standard error of estimate measured?

• A) 0.49; it decreases; hours.
• B) 0.49; it decreases; hours squared.
• C) 0.49; it increases; hours.
• D) 0.8367; it decreases; hours.
• E) 0.8367; it increases; hours squared.

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