This applet allows users to drag sliders to change the confidence level and sample size. The applet helps users visualize the meaning of the phrase "C% confidence," by showing that C% of the samples ...
The end points of a confidence interval for the noncentrality parameter of noncentral χ 2 or F are identified as upper and lower percentage points of a distribution. It is shown how these can be ...
The number needed to treat, that is, the average number of patients a clinician needs to treat with a particular therapy to prevent one bad outcome,1 is a translation into clinical terms of the ...
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