The problem of simultaneous inference and multiple comparison for comparing means of k(≥3) populations has been long studied in the statistics literature and is widely available in statistics literature. However to-date, the problem of multiple comparison of regression models has not found its...

The frequently used approach to the comparison of two linear regression models is to use the partial F test. It is pointed out in this paper that the partial F test has in fact a naturally associated two-sided simultaneous confidence band, which is much more informative than the test itself. But...

Despite the popular use of product sampling as a promotional strategy by retailers, existing research has largely focused on offline sampling of physical goods and online sampling of information goods but overlooked online sampling of physical goods. We argue that, in the context of online...