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 ...

Paired-samples designs are used frequently in educational and behavioral research. In applications where the response variable is quantitative, researchers are encouraged to supplement the results of ...

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.