a. Develop a scatter diagram with price as the independent variable.

b. An exercise equipment store that sells primarily higher priced equipment has a sign over the display area that says "Quality: You get what you pay for." Based upon your analysis of the data for elliptical trainers, do you think this sign fairly reflects the price-quality relationship for the elliptical trainers?

c. Use the least squares method to develop the estimated regression equation.

d. Use the estimated regression equation to predict the rating for an elliptical trainer with a price of$1500.

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Brand and Model Price () Rating 87 Precor 5.31 Keys Fitness CG2 Octane Fitness Q37e LifeFitness X1 Basic NordicTrack AudioStrider 990 Schwinn 430 Vision Fitness X6100 ProForm XP 520 Razor 3700 2800 1900 1000 82 74 73 1700