下载 APKPure App
可在安卓获取Mean and standard deviation的历史版本
计算平均值，方差和标准偏差中的小尺寸的样品。
This application allows you to calculate the mean, variance and standard deviation in samples of small size.
After entering each value, press the button to enter. To get final results, enter an empty value.
Use the C button to clear the value that you are entering at the moment. The preceding value will be deleted by pressing C button one more time again.
Press the N button to begin to introduce a new sample.