roblem\" options on optional revision tests Using your favorite statistics softw

Question

roblem" options on optional revision tests Using your favorite statistics software package, you generate a scatter plot with a regression equation a coefficient. The regression equation is reported as nd correlation u =-47.482 + 16.91 | and the r =-0.727. What proportion of the variation in y can be explained by the variation in the values of *? r'= % Report answer as a percentage accurate to one decimal place. Points possible: 10 Unlimited attempts. Score on last attempt: 0. Score in gradebook: 0 License Submit

Explanation / Answer

1) given

r = -0.727

r^2 = 0.529

r^2 = 52.9%

2)

x= -2.692 (50) -3.493

X = -138.093 = -138.1

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