Stock's historical variance measures its return stability over time. Higher variance indicates greater return unpredictability and risk. Calculate variance using Excel to simplify the process for ...

Cost and schedule variance data are part of earned value analysis, which is a tool that small and large businesses use as an early-warning system to identify and manage problems in ongoing projects.

A new approach to large-sample studies of the variance of the log-odds-ratio estimate of Mantel and Haenszel is developed and used to derive formulas that lead to ...

This is a preview. Log in through your library . Abstract The large sample variance of the Mantel-Haenszel estimator of the odds ratio calculated from a set of k 2 x 2 tables is derived. The ...