A standardized regression equation with Olympic athletes' sprint times as the dependent variable features two X variables. The beta-weight for sprinters' height (X1) is -0.18, and the beta-weight for sprinters' weight (X2) is 0.26. Which of the following can we conclude from these results?
A) Weight has a stronger effect than height on race times.
B) Height has a stronger effect than weight on race times.
C) The coefficient of determination is 0.08.
D) The coefficient of determination is 0.44.
Correct Answer:
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