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

[ 1/1 data statistics ]
    Work: Please make statistics on the following data: 12,12,12,13,14,14,15,16,16,16,16,16,16,17,17,17,17,17,18,18,18,18,18,19,19,19,20,20,21 。
    Question type: data statistics
        Total data:29
        The sum:481
        Average value:16.58621
        Variance:5.69084
        Standard deviation:2.38555

    *Note: Totally 5 items are counted.


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