Compute the coefficient of determination and the least squares line for Exercise. Compare this information with that developed by the scatter diagram alone.
In Exercise, One general belief held by observers of the business world is that taller men earn more money than shorter men. In a University of Pittsburgh study, 250 MBA graduates, all about 30 years old, were polled and asked to report their height (in inches) and their annual income (to the nearest $1,000).
a. Draw a scatter diagram of the data.
b. What have you learned from the scatter diagram?

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