Mean and standard deviation

Tính trung bình, phương sai và độ lệch chuẩn trong các mẫu có kích thước nhỏ.

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.