Mean-Standard Deviation Method

standard deviation threshold method

sample mean value-standard deviation grade method

3 standard deviation criterion

Addition Internal Standard Method

addition standard method

airborne electric standard deviation anomaly

aqueous standard method

area-external standard method

average±standard deviation analysis

between-class standard(deviation)

Close internal standard method

coefficient standard deviation

combined standard deviation

composite standard deviation

control chart for average and standard deviation

Control Chart for Standard Deviation

distant’s standard deviation

double sampling mean-standard deviation combined c