Assignment:
Peoples Energy, Inc. reports the following data for operating revenue and net income for 2001–2005.
Year x = Operating Revenue (Millions) y = Net Income (Millions)
|
2001
|
2270.2
|
96.9
|
|
2002
|
1482.5
|
89.1
|
|
2003
|
2138.4
|
103.9
|
|
2004
|
2260.2
|
81.6
|
|
2005
|
2600.0
|
78.1
|
Determine the least-squares regression line and interpret its slope. Estimate the net income if the operating revenue figure is $2500 million.
Provide complete and step by step solution for the question and show calculations and use formulas.