how to estimate total number of customers how do you calculate total number of customers how to estimate the number of customers how to estimate the number of customers how to estimate the total number of customers how to estimate the total number of customers how to estimate total number of customers based on subset data number of customer orders how to estimate total number of customers what is the sample of customers estimated total number of customers how to estimate total number of customers from subset how do you calculate the total number of customer estimate of total number of customers how do you calculate total customer number how to estimate a subset of orders how to find the number of customers per order how do you estimate the total number of customers from subsets of orders? how to calculate customer number in a dataset what is the sample sample sample