MarioKart simple Linear regression with categorical predictor

kaddour

Section 8.2.8 find the regression equation as:
price-hat = 42.87 + 10.90 *(cond_new). I run it on SAS Studio and find price-hat = 47.1481 + 6.6225 & (cond_new). These 2 equations agree when cond_new = 1, but disagree when cond_new = 0. I might be doing something incorrect?

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