Excel template that automatically logs timed values, calculates a 95% confidence interval around your average, and the number of samples required to achieve a desired confidence interval.

It is counterintuitive that, with a sample of only one value from a normal distribution, one can construct a finite confidence interval of any size for the mean. It goes just as much against standard ...

In a recent paper, Beal (1989, Biometrics 45, 969-977) considers the problem of determining the appropriate sample size when inference about a parameter θ is to be made on the basis of a confidence ...