Math Problem Statement
The theater director recorded the number of seats occupied at past performances and the total revenue per performance.
After plotting her results, the director noticed that the relationship between the two variables was fairly linear, so she used the data to calculate the following least squares regression equation for predicting the total revenue, in dollars, from the number of seats occupied.
[\hat y = -325+14 x]
What is the residual of a performance with a revenue of [$700] and [70] seats occupied ?
[$]
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Math Problem Analysis
Mathematical Concepts
Linear Regression
Residuals
Formulas
Least squares regression equation
Theorems
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Suitable Grade Level
Grades 11-12
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