Mathematics · Linear Models
Consider the linear model E(Y1) = 2β1 − β2 − β3, E(Y2) = β2 − β4, E(Y3) = β2 + β3 − 2β4 with uncorrelated and homoscedastic random errors. Which of the following linear parametric functions is estimable?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 123β1 − 9β2 − 10β3 + 4β4
- 257β1 − 18β2 − 13β3 − 26β4✓
- 3β3 − β4
- 416β1 − 9β2 − 7β3
Correct answer
57β1 − 18β2 − 13β3 − 26β4
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