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: 3,5,8,7,6,3,8,5,4,9,9,7 。
Question type: data statistics Total data:12
The sum:74
Average value:6.16667
Variance:4.30556
Standard deviation:2.07498 *Note: Totally 5 items are counted.Your problem has not been solved here? Please go to the Hot Problems section!