Regression and Correlation
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11. A study is conducted concerning automobile speeds and fuel consumption rates. The following data is collected:
Speed MPG
44 22
51 26
48 21
60 28
66 33
61 32
a. Plot these data in a scatter diagram.
b. Compute the coefficient of correlation.
c. Determine the regression equation.
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Solution Summary
This solution shows how to create a scatter diagram, compute the coefficient of correlation, and determine the regression equation in Excel for the given problem.
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** Please see the attached Excel file. **
Speed MPG
44 22
51 26
48 21
60 28
66 33
61 32
a. Plot these data in a scatter diagram.
Go to insert --> chart.
Choose XY ...
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