Concept explainers
a.
To find: An equation in slope intercept form for the line of fit.
a.
Answer to Problem 4PPS
Explanation of Solution
Given information:
The line of fit drawn shows the number of fan clubs in the U.S. for several years following 1999.
Calculation:
The line passes through the point
Then, slope of the line,
The equation of line in point slope form is given by,
Thus, the equation of the line in slope intercept form is
b.
To calculate: The number of fan clubs in the U.S. in 2012.
b.
Answer to Problem 4PPS
195.
Explanation of Solution
Given information:
The line of fit drawn shows the number of fan clubs in the U.S. for several years following 1999.
Calculation:
Number of years between 1999 and 2012
The equation of the line of fit is,
There should be 195 fan clubs in the U.S. in 2012.
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