Peoples Energy, Inc. reports the following data for operating revenue and net income for 20012005. Determine the
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Determine the least-squares regression line and interpret its slope. Estimate the net income if the operating revenue figure is $2500 million.
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x Operating Revenue (Millions) 2270.2 1482.5 2138.4 2260.2 2600.0 y = Net Income (Millions) 96.9 89.1 103.9 81.6 78.1 Year 2001 2002 2003 2004 2005
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