Confidence intervals show the likelihood a data range contains the true mean, aiding investment decisions. A wider interval suggests lower estimate accuracy, influencing market and risk analysis ...

For comparison of proportions, there are three commonly used measurements: the difference, the relative risk, and the odds ratio. Significant effort has been spent on exact confidence intervals for ...

A sequential fixed-width confidence interval for the mean of a U-statistic, having coverage probability approximately equal to preassigned α, is presented. The main result, Theorem 2, shows that the ...

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