A MLR model contains SALES ($) and predictor variables including R D (research and development expenditures in dollars) The regression estimate for the R D variable is 2 4 One of the following is the best nontechnical interpretation of that regression estimate Which one All else the same, each dollar in R D is associated with a $2 40 increase in sales on average All else the same, each dollar in R D is associated with a $2 40 increase in sales Each dollar in R D is associated with a $2 40 increase in sales on average Each dollar in R D is associated with a $2 40 increase in sales

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Question: A MLR model contains SALES ($) and predictor variables including R&D (research and development expenditures in dollars). The regression estimate for the R&D variable is

A MLR model contains SALES ($) and predictor variables including R&D (research and development expenditures in dollars). The regression estimate for the R&D variable is 2.4. One of the following is the best nontechnical interpretation of that regression estimate. Which one?

All else the same, each dollar in R&D is associated with a $2.40 increase in sales on average.
All else the same, each dollar in R&D is associated with a $2.40 increase in sales.
Each dollar in R&D is associated with a $2.40 increase in sales on average.
Each dollar in R&D is associated with a $2.40 increase in sales.

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