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lm( log(profit) ~ X + Group , data=Data ) The coefficients table is below: Variable Estimate of coefficient p-value (intercept) 1 0.0013 X 1.3 0.0050
lm( log(profit) ~ X + Group , data=Data ) The coefficients table is below: Variable Estimate of coefficient p-value (intercept) 1 0.0013 X 1.3 0.0050 GroupB 0.07 0.8213 GroupC 0.2 0.0247 In Group C, when X = 1.6, the predicted profit equals $
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Mathematical Interest Theory
Authors: Leslie Jane, James Daniel, Federer Vaaler
3rd Edition
147046568X, 978-1470465681
