Show that: n Rsq (h) Σ(yi – ÿ)² + (ÿ − h)² n i=1 Hint: At some point, you will need to use your result from part (a). Why does the result in (c) prove that h* = Mean(y1, Y2,⋅ , ..., Yn) minimizes Rsq(h)?

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
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Author:Bruce Crauder, Benny Evans, Alan Noell
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Chapter1: Functions
Section1.2: Functions Given By Tables
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part d

Show that:
n
Rsq (h)
Σ(yi – ÿ)² + (ÿ − h)²
n
i=1
Hint: At some point, you will need to use your result from part (a).
Why does the result in (c) prove that h*
= Mean(y1, Y2,⋅
, ..., Yn) minimizes Rsq(h)?
Transcribed Image Text:Show that: n Rsq (h) Σ(yi – ÿ)² + (ÿ − h)² n i=1 Hint: At some point, you will need to use your result from part (a). Why does the result in (c) prove that h* = Mean(y1, Y2,⋅ , ..., Yn) minimizes Rsq(h)?
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