Consider a time series with 15 quarterly sales observations. Using the quadratic trend model, the following partial computer output was obtained.
Write the prediction equation.

Question

Consider a time series with 15 quarterly sales observations. Using the quadratic trend model, the following partial computer output was obtained.
  Write the prediction equation.

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The Answer of Consider a time series with 15 quarterly sales observations. Using the quadratic trend model, the following partial computer output was obtained.
  Write the prediction equation.

Consider a Time Series with 15 Quarterly Sales Observations