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☆1 mathematical statistics
[ 1/1 data statistics ]
Work: Please make statistics on the following data: 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20 。
Question type: data statistics Total data:20
The sum:210
Average value:10.5
Variance:33.25
Standard deviation:5.76628 *Note: Totally 5 items are counted.Your problem has not been solved here? Please go to the Hot Problems section!