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
Added by Nathan R.
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ˆy = 0.93(18) + 20.84 = 36.58 Show more…
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