This is a Statistics Calculator
In three ways you can input
1) 2,3,2,4,2,5,23,44,2,44,55,3,3,5,5,33,55,35,3,55,3
2) 0-10*10,11-20*2,21-30*6,31-40*4,41-50*5
3) 2,3,2,4,2,5,23,44,2,44,55,3,3,5,5,33,55,35,3,55,3
and Enter range seperately
like 0-10,11-20,21-30,31-40,41-50
it will group your data
Choose operation
Arithmetic mean
Geometric mean
Root mean Square
Average Deviation
Standard Deviation
Harmonic Mean is
then When you click Action button
You will see answers with steps
点击按钮跳转至开发者官方下载地址...