The Annals of Statistics, Vol. 42, No. 3 (June 2014), pp. 850-871 (22 pages) We propose a consistent estimator of sharp bounds on the variance of the difference-in-means estimator in completely ...

Data collection is sometimes performed without considering the effect poorly collected data has in the strength of statistical conclusions. When researchers properly design an experiment, they are ...

In order to make smart decisions at work, we need data. Where that data comes from and how we analyze it depends on a lot of factors — for example, what we’re trying to do with the results, how ...

A random error component is introduced into linear models for analyzing data from designed experiments. This error component is called a `restriction error' because ...