Hypothesis testing procedures where equality of means is assessed at a prespecified level based on the (non-)overlap of confidence intervals are discussed. Assessing statistical significance via the ...

Journal of the Royal Statistical Society. Series D (The Statistician), Vol. 48, No. 3 (1999), pp. 413-418 (6 pages) The overlapping coefficient, defined as the common area under two probability ...

Error bars illustrate the margin of error for a survey estimate by showing how precise that estimate is. Here are some answers to common questions that might help you better understand charts with ...