› Variable vs. Attribute Data

We make a wheel hub that has 5 bolt holes. Currently, the operators are using a bore gage (gun type with digital readout) to measure each hole and record the data. I feel after months of doing this, and seeing the data as fluctuating little, we should use a go / no plug gage. My boss insists on using a bore gage because he wants to get variable data. I ask him what he plans to do with this data, but I don't think he knows. Overall though, what are the pros and cons of using varibale vs. attribute data?

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