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           ☆1 mathematical statistics

[ 1/1 data statistics ]
    Work: Please make statistics on the following data: 1,2,4,6,9,12 。
    Question type: data statistics
        Total data：6
        The sum：34
        Average value：5.66667
        Variance：14.88889
        Standard deviation：3.85861
    *Note: Totally 5 items are counted.

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