# Plot/Regression line

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A. Create a scatter plot of the data. Do you think that there is a relationship between the number of stations that a company owns and the revenues generated by radio?

b. Find the linear regression line for the data.

c. Use the regression line to predict the radio revenues for Chancellor and

Westinghouse/Infinity. Which prediction is better?

d. Leave out the data point for Westinghouse/Infinity and recalculate the regression line. Do you think that this line will do a better job of predicting radio revenues?

Why or why not?

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##### Solution Summary

The expert creates a scatter plot of data. The relationship between the number of stations that a company owns and the revenues generated by the radio is determined.

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a) created scatter plot on excel. Looking at the data there doesnt seem to be a relation. The ...

###### Education

- BE, Bangalore University, India
- MS, University of Wisconsin-Madison

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