Which Estimated Multiple Regression Has Nonlinearity Tests?
A) $\hat { y } = - 92 - 5 x _ { 1 } + 6 x _ { 1 } ^ { 2 } + 18 x _ { 2 } - 12 x _ { 2 } ^ { 2 }$

question 2

Multiple Choice

Which estimated multiple regression has nonlinearity tests?

• A) \(\hat { y } = - 92 - 5 x _ { 1 } + 6 x _ { 1 } ^ { 2 } + 18 x _ { 2 } - 12 x _ { 2 } ^ { 2 }\)
• B) \(\hat { y } = 47 - 18 x _ { 1 } - 3 x _ { 2 } + 6 x _ { 3 } + 36 x _ { 4 }\) .
• C) \(\hat { y } = 88 + 11 x _ { 1 } + 7 x _ { 1 } x _ { 2 } + 5 x _ { 2 }\)

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