what are some ways to calculate portfolio satisfaction how to weight responses in a survey of a portfolio company what is the average customer dropout rate how to calculate drop call frequency how much data do i need to stratify a survey how to stratify customer responses how many customers have dropped calls in the portfolio how to calculate percentage of respondents who don't have 3g if you oversampled customer response how will you calculate customer satisfaction how many customers with 3g dropped calls what is the weighting for dropped calls in a survey which segment of the customer has a drop call? can we stratify responses for customers with no 3g what is the sampling weight for drop call why are customers dropped off a survey how does a survey help to understand customer satisfaction who makes up more than 45% of portfolios how many customer survey are there with no dropped calls how to extrapolate customer satisfaction from surveys how many customers does a dropping call represent