Overview: 5 questions will be solved this time.Among them
☆5 mathematical statistics
[ 1/5 data statistics ]
Work: Please make statistics on the following data: 5.6,8.84 。
Question type: data statistics Total data:2
The sum:14.44
Average value:7.22
Variance:2.6244
Standard deviation:1.62 *Note: Totally 5 items are counted.[ 2/5 data statistics ]
Work: Please make statistics on the following data: 14.3,21.22 。
Question type: data statistics Total data:2
The sum:35.52
Average value:17.76
Variance:11.9716
Standard deviation:3.46 *Note: Totally 5 items are counted.[ 3/5 data statistics ]
Work: Please make statistics on the following data: 16.99,29.3 。
Question type: data statistics Total data:2
The sum:46.29
Average value:23.145
Variance:37.88403
Standard deviation:6.155 *Note: Totally 5 items are counted.[ 4/5 data statistics ]
Work: Please make statistics on the following data: 18.99,30.38 。
Question type: data statistics Total data:2
The sum:49.37
Average value:24.685
Variance:32.43303
Standard deviation:5.695 *Note: Totally 5 items are counted.[ 5/5 data statistics ]
Work: Please make statistics on the following data: 20.3,36.86 。
Question type: data statistics Total data:2
The sum:57.16
Average value:28.58
Variance:68.5584
Standard deviation:8.28 *Note: Totally 5 items are counted.Your problem has not been solved here? Please go to the Hot Problems section!