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Least square regression equation and coefficient of determination.

Below are revenue and profit (both in $ billions) for nine large entertainment companies.

Fit regression, with fitted equation and R². Entertainment

Revenue and Profit of Nine Entertainment Companies
Company	Revenue	Profit
AMC Entertainment	1.792	-0.020
Clear Channel Communication 8.931	1.146
Liberty Media	2.446	-0.978
Metro-Goldwyn-Mayer	1.883	-0.162
Regal Entertainment Group	2.490	0.185
Time Warner	43.877	2.639
Univision Communications	1.311	0.155
Viacom	26.585	1.417
Walt Disney	27.061	1.267

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