Fit a quadratic trend function to the data

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Reference no: EM131074435

Fit a cubic trend function to the data in Example 2. The orthogonal cubic polynomial is

Example 2

The simplest and most common use of trend analysis occurs when the points t0,,,,,,,, tn can be adjusted so that they are evenly spaced and sum to zero. Fit a quadratic trend function to the data (-2, 3), (-1, 5), (0, 5), (1, 4), and (2, 3).

Reference no: EM131074435

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Fit a quadratic trend function to the data : The simplest and most common use of trend analysis occurs when the points t0,,,,,,,, tn can be adjusted so that they are evenly spaced and sum to zero. Fit a quadratic trend function to the data (-2, 3), (-1, 5), (0, 5), (1, 4), and (2, 3).

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