In simple linear regression: A. Extrapolation may be
Chapter 12, Problem 12.12.41(choose chapter or problem)
In simple linear regression: A. Extrapolation may be necessary but can be risky. B. Extrapolation can occur both for values of the input variable larger than the range of the input variable and also for values of the input variable smaller than the range of the input variable. C. Both of the above. D. Neither of the above.
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