Remark on Stably Updating Mean and Standard Deviation of Data CACM August, 1975 Cotton, I. W. mean, standard deviation 5.5 5.19 CA750804 JB January 6, 1978 4:40 PM 2731 4 2731 3159 4 2731 3166 4 2731 3167 4 2731 2731 5 2731 2731 5 2731 2731 5 2731 2799 5 2731 3159 5 2731 3166 5 2731 3167 5 2731 1411 6 2731 2731 6 2731 2731 6 2731 2731 6 2731 2799 6 2731 2799 6 2731 2799 6 2731 3159 6 2731 3167 6 2731 3166 6 2731