Z-MR Chart - Options – Parameters
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Stat > Control Charts > Variables Charts for Individuals > Z-MR > Z-MR Options > Parameters

Use to estimate process means and standard deviations.

Dialog box items

Means: Enter a historical mean for each part/product, then enter the column containing the values. This column must contain a value for each observation in the data column.

Standard deviations: Enter a historical standard deviation for each part/product, then enter the column containing the values. This column must contain a value for each observation in the data column.