Mathematics
         
语言:中文    Language:English
Mathematical statistics:
    Enter the data to be counted, separated by commas (","), and click Next to get the statistics results.
    Statistical items: total data, sum, average, variance and standard deviation.
    Note: Statistical data can only be numbers, which cannot be algebraic expressions or mathematical functions (including trigonometric functions).
    Current location:Mathematical operation > History of Mathematical Statistics > Answer

    Overview: 3 questions will be solved this time.Among them
           ☆1 mathematical statistics

[ 1/3 data statistics ]
    Work: Please make statistics on the following data: 2,2,3 。
    Question type: data statistics
        Total data:3
        The sum:7
        Average value:2.33333
        Variance:0.22222
        Standard deviation:0.4714

    *Note: Totally 5 items are counted.
【2/3】1 , - 1 , 0 ;
    Input error!
【3/3】-1 , 2 , 1 ;
    Input error!


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