A Regression Model Between Sales (Y in $1000), Unit Price $\hat { y }$

question 38

Multiple Choice

A regression model between sales (y in $1000) , unit price (x₁ in dollars) , and television advertisement (x₂ in dollars) resulted in the following function:
$\hat { y }$ = 7 - 3x₁ + 5x₂

For this model, SSR = 3500, SSE = 1500, and the sample size is 18.The coefficient of the unit price indicates that if the unit price is

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Definitions:

Variable Labor

Labour costs that vary directly with the level of production or output in a business.

Average Variable Cost

The cost per unit of output that varies with the level of production, excluding fixed costs.

Average Total Cost

The sum of average variable costs and average fixed costs (costs that do not change with the level of output) divided by the quantity of output, representing the total cost per unit of output.

Average Fixed Cost

Permanent production expenses, which don't fluctuate with output changes, divided by the output number.