In many applications, the underlying scientific question concerns whether the variances of k samples are equal. There are a substantial number of tests for this problem. Many of them rely on theâ€¦ (More)

Many statistical procedures rely on the assumption that the observed data are normally distributed. Consequently, there exists a vast literature on tests of normality and their statisticalâ€¦ (More)

This paper studies the shrinkage estimation for the di'erence between location parameters of exponential distributions when it is suspected but uncertain whether the two parameters are equal. Aâ€¦ (More)

Introduction This procedure calculates the sample size necessary to achieve a specified distance from the difference in sample means to the confidence limit(s) at a stated confidence level for aâ€¦ (More)

Whenmany individual plaintiffs have similar claims against the same defendant, often it is more efficient for them to be combined into a single class action. Due to their increased complexity andâ€¦ (More)

In many applications, the underlying scientific question concerns whether the variances of k samples are equal. The problem of assessing homogeneity of variances has a long history and there exists aâ€¦ (More)