what is the difference between ci and a standard deviation ci is used when weighting a variable how do i calculate the confidence intervals in the standard deviations how to figure standard deviation and confidence interval how to find sigma ci value how to calculate standard deviation and confidence intervals how to calculate a running average how to calculate the standard deviation how to calculate standard deviations and confidence intervals? how to find standard deviation in confidence interval calculate the standard deviations and confidence intervals of a running average how do i calculate standard deviations how to calculate the ci from the running average of a sample how to figure standard deviation and confidence interval how to compute the ci on a running average how to do CI averages for a running average how do i calculate the confidence interval on the running average calculating a running average how to calculate the confidence interval for standard deviation of the running average