Rocket Experiments Narrative
An engineer was investigating the relationship between the thrust of an experimental rocket (y), the percent composition of a secret chemical in the fuel (x 1 ), and the internal temperature of a chamber of the rocket (x 2 ). The engineer starts by fitting a quadratic model, but he believes that the full quadratic model is too complex and can be reduced by including only the linear terms and the interaction term.
-Refer to Rocket Experiments Narrative. Write the two models the engineer is considering.

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The Answer of Rocket Experiments Narrative
An engineer was investigating the relationship between the thrust of an experimental rocket (y), the percent composition of a secret chemical in the fuel (x 1 ), and the internal temperature of a chamber of the rocket (x 2 ). The engineer starts by fitting a quadratic model, but he believes that the full quadratic model is too complex and can be reduced by including only the linear terms and the interaction term.
-Refer to Rocket Experiments Narrative. Write the two models the engineer is considering.

Rocket Experiments Narrative an Engineer Was Investigating the Relationship Between the Thrust of the Thrust