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The equation of a certain linear regression line is ˆy = 0.93x + 20.84. For x...

The equation of a certain linear regression line is ˆy = 0.93x + 20.84. For x = 18, y is observed to be 38. What is the residual?

(a) -1.42

(b) -0.42

(c) 0

(d) 0.42

(e) 1.42

math   Statistics-And-Probability   
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