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Bookmark or Share- What's a Moving Range, and How Is It Calculated? - MinitabIn this post, I'll explain what a moving range is, and how a moving range and average moving range are calculated. A moving range measures how variation changes over time when data are collected as individual measurements rather than in subgroups.
- Enter your data for Moving Average - MinitabIn MA length, enter the number of consecutive observations that Minitab uses to calculate the moving averages. For example, for monthly data, a value of 3 indicates that the moving average for March is the average of the observations from March, February, and January.
- Detect Small Shifts in the Process Mean with Exponentially ... - MinitabEnter the Exponentially Weighted Moving Average (EWMA) chart. Some of the important properties of EWMA charts are: They incorporate data from all previous points in each subsequent plotted point.
- Overview for Moving Average - MinitabUse Moving Average to smooth your data and to provide short-term forecasts when your data do not have a trend. You can use Moving Average when your data have a seasonal pattern if you set the length of the moving average to equal the length of the seasonal pattern.
- Example of Moving Average - MinitabChoose Stat > Time Series > Moving Average. In Variable, enter Sales. In MA length, enter 2. Select Generate forecasts. In Number of forecasts, enter 6. Click OK. On the moving average plot, the forecasts and line closely follow the data, especially at the end of the series.
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