When you have completed this chapter, you will be able to:
- Define the components of a time series.
- Compute a moving average.
- Determine a linear trend equation.
- Compute a trend equation for a nonlinear trend.
- Use a trend equation to forecast future time periods and to develop seasonally adjusted forecasts.
- Determine and interpret a set of seasonal indexes.
- Deseasonalize data using a seasonal index.
- Test for autocorrelation.