iSixSigma

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  • #40660

    Ranjan
    Participant

    What are the best tools (excel or minitab)  to measure the following:
    1. Production for teams
    2. Accuracy (errors/defects)
    3. TAT(turn around time, average time per process)

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    #126693

    AB
    Participant

    Rahul
    Neither excel nor minitab are measurement tools. Minitab is a statistical analysis tool and excel, of course you know, is a spreadsheet tool with sophisticated statistical and numerical capability.
    If your question is more about what is a good data recording tool, excel (or word table) is a good choice. For analysis, I would use minitab, but for the calculations you are trying to perform, excel should be easier as they are simple arithmetic.

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    #126695

    Ranjan
    Participant

    AB,
    Thanks for your reply. I guess i should have posted the question better.
    Well, i have data recorded in an excel for my teams. What i am trying to get is what tools are best to study the data to be able to get meaning and solutions out of it.
    Currently, i use Minitab Run charts to study TAT and pie charts to study errors. For production, i use a Box-plot on Minitab to compare where an individual stands vas-a-vis team.
    I am new to Minitab, so was trying to figure out if the tools i am using are good or are there better ways to make more meaning of my data.
    Let me know if i can clarify something further.
    Thanks

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    #126698

    AB
    Participant

    Rahul
    If in your situation, I would start with a histogram or a scatter diagram unless I am examining trend. A histogram would give you a view of variation in your process output for the sample. See what % of your process output meets the specs.
    Now to see the performance on a time dimension you can do run charts or any other control charts that help you see the trends.
    Further, I am not sure if you have data about potential Xs, if you do, you would conduct hypothesis testing to identify causal relationships.
    Of course, this is a very high level, simplistic view. But tread down this path and ask specific questions about the tools if you run into issues.

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