Math Problem Statement
For major league baseball teams, is there a relationship between player payrolls and gate money? Here are data for each of the National League teams for the year 2002. The variable x denotes the 2002 player payroll (in millions of dollars), and the variable denotes the mean attendance (in thousands of fans) for the 81 home games that year. The data are plotted in the Figure 1 scatter plot. Also given is the product of the player payroll and the mean attendance for each of the sixteen teams. (These products, written in the column labelled "xy", may aid in calculations.) What is the slope of the least-squares regression line for these data? Carry your intermediate computations to at least four decimal places and round your answer to at least two decimal places.
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Regression Analysis
Formulas
Least-squares regression formula for slope
Theorems
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Suitable Grade Level
Advanced High School
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