Understanding the confidence interval will help you grasp what an election poll is -- or is not -- saying. As you might have guessed, the media consistently gets it wrong. Candidate Gobermouch is ...

The power analysis results in Figure 12.8 show that, for a two-sided paired confidence interval where the standard deviation of the differences is 2.462, the significance level is = 0.025, the sample ...

Ordinarily you might see a confidence interval expressed something like this: The average weight loss for people on the new miracle drug was 4.6 pounds, with a 95 percent confidence interval of 2. ...

A 95% confidence interval (i.e. my conclusion that the population mean is somewhere between 95 and 105) tells me that if I drew an infinite number of samples like the one I observed, 95% of the ...

Christopher Jennison, Bruce W. Turnbull, Repeated Confidence Intervals for the Median Survival Time, Biometrika, Vol. 72, No. 3 (Dec., 1985), pp. 619-625 ...

The usual practice in using a control chart to monitor a process is to take samples from the process with fixed sampling intervals. This article considers the properties of the X̄ chart when the ...

Likelihood Ratio-Based Confidence Intervals PROC GENMOD produces likelihood ratio-based confidence intervals, also known as profile likelihood confidence intervals, for parameter estimates for ...