Overview: 6 questions will be solved this time.Among them
☆6 mathematical statistics
[ 1/6 data statistics ]
Work: Please make statistics on the following data: 2,4,6 。
Question type: data statistics Total data:3
The sum:12
Average value:4
Variance:2.66667
Standard deviation:1.63299 *Note: Totally 5 items are counted.[ 2/6 data statistics ]
Work: Please make statistics on the following data: 3,5,8,9 。
Question type: data statistics Total data:4
The sum:25
Average value:6.25
Variance:5.6875
Standard deviation:2.38485 *Note: Totally 5 items are counted.[ 3/6 data statistics ]
Work: Please make statistics on the following data: 7,7,9,4,6,1 。
Question type: data statistics Total data:6
The sum:34
Average value:5.66667
Variance:6.55556
Standard deviation:2.56038 *Note: Totally 5 items are counted.[ 4/6 data statistics ]
Work: Please make statistics on the following data: 3,8,5,6,8,4,4,4 。
Question type: data statistics Total data:8
The sum:42
Average value:5.25
Variance:3.1875
Standard deviation:1.78536 *Note: Totally 5 items are counted.[ 5/6 data statistics ]
Work: Please make statistics on the following data: 5,9,2,6,5,4,7 。
Question type: data statistics Total data:7
The sum:38
Average value:5.42857
Variance:4.2449
Standard deviation:2.06032 *Note: Totally 5 items are counted.[ 6/6 data statistics ]
Work: Please make statistics on the following data: 5,13,6,6,2,9,48,12,7,24 。
Question type: data statistics Total data:10
The sum:132
Average value:13.2
Variance:168.16
Standard deviation:12.96765 *Note: Totally 5 items are counted.Your problem has not been solved here? Please go to the Hot Problems section!