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| Control charts |
Is your process stable and in control? |
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| X-bar & range |
Use this if your data has a subgroup size of 2-10 observations. |
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| X-bar & sigma |
Use this if your data has a subgroup size of 11 or more observations. |
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| X-MR |
Use this if your data has a subgroup size of 1 observation. |
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| Median |
Use this to analyze measurement data when you want to plot all observations. |
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| Run chart |
Use this to see trends and patterns if there is not have enough data for a control chart. |
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| Histogram |
Use this to determine if your data has a normal distribution. |
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| Capability analysis |
Use this to determine if your process is capable of producing output within specification limits. |
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| Control charts |
Is your process stable and in control? |
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| np-chart |
Use this if your data is a count of nonconforming units and the subgroups are all the same size. |
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| p-chart |
Use this if your data is count of nonconformities and the subgroups are all the same size. |
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| c-chart |
Use this if your data is count of nonconformities and the subgroups are all the same size. |
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| u-chart |
Use this if your data is count of nonconformities and the subgroup size varies. |
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| Capability analysis |
Use this to determine capability for attributes data. |
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Use this to analyze counts that are in categories. |
