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Statistics - regression and linear equations


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Statistics - Regression and Linear Equations

1. Consider the following annual sales data for 1996-2003, use the linear regression method and determine the estimated sales equation.

                       Year                    Sales
                      1996                       2
                      1997                       4
                      1998                     10
                      1999                       8
                      2000                     14
                      2001                     18
                      2002                     17
                      2003                     20

2. Solve the following system of simultaneous equations.

                        6x1 + 4x2 = 40
                        2x1 + 3x2 = 20

 

 

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Advanced Statistics: Statistics - regression and linear equations
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