Which Estimated Multiple Regression Contains an Interaction Term?
A) $\hat { y } = 47 - 12 x _ { 1 } + 8 x _ { 1 } x _ { 2 } - 5 x _ { 2 }$

question 78

Multiple Choice

Which estimated multiple regression contains an interaction term?

• A) \(\hat { y } = 47 - 12 x _ { 1 } + 8 x _ { 1 } x _ { 2 } - 5 x _ { 2 }\) .
• B) \(\hat { y } = 47 - 12 x _ { 1 } + 8 x _ { 1 } ^ { 2 } - 5 x _ { 2 } + 25 x _ { 2 } ^ { 2 }\) .
• C) \(\hat { y } = 47 - 12 x _ { 1 } ^ { 2 } + 5 x _ { 2 } ^ { 2 }\)

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