Analyzing a crossed Gage R&R study

For this recipe we will analyze the results of a crossed Gage R&R study. The data is initially in a format that we may typically find in an Excel worksheet. In the first column, we have Operator, in the second one we have Trial, and columns C3 to C12 have the measurements on each part. This format is mentioned in the AIAG manual on measurement systems analysis. These instructions will show us how to convert this tabular form into a preferred format for Minitab.

The third row contains the mean result for Helen, the seventh row contains the mean for Robert. The fourth and eight rows contain the ranges of each operator. This data has already been imported from Excel; for more on opening data in Excel, see Chapter ...

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