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At&t ProspectusCorrelation: AT&T Revenue (Y), CPI All Items (X1), Real Disposable Income (X2), Verizon (X3)AT&T Revenue (Y) CPI All Items (X Real DisposableCPI All Items (X 0.9270.000Real Disposable 0.880 0.9810.000 0.000Verizon (X3) 0.872 0.938 0.9420.000 0.000 0.000Regression Analysis: AT&T Revenue (Y) versus CPI All Items (X1), Real Disposable(X2) , Verizon (X3)Analysis of VarianceSource DF Adj.