Percentages: The most useful statistics ever invented
In the previous chapter I talked about a handy-dandy internet calculator that determined the optimal sample size for a confidence interval for a single percentage. The situation for determining the optimal sample sizes for confidence intervals for the difference between two percentages or the ratio of two percentages (for either independent ... ................
................
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.