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You run a regression analysis on a bivariate set of data (n=50). You obtain the regression equation
y=-3.365x +- 54.483y
with a correlation coefficient of r = -0.5 (which is significant at α=0.01). You want to predict what value (on average) for the explanatory variable will give you a value of 30 on the response variable.
What is the predicted explanatory value?
x = _______________________________
(Report answer accurate to one decimal place.)
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