Mark Jahn is a financial writer, editor, consultant, and award-winning economist covering ETFs, stocks, cryptocurrencies, options, and more. Somer G. Anderson is CPA, doctor of accounting, and an ...

This is a preview. Log in through your library . Abstract Several simple estimates of the mean and standard deviation of a normal population are discussed. The efficiencies of these estimates are ...

Many standard test and estimation procedures require the computation of the sample standard deviation. It is, however, often possible to replace the standard deviation by the more easily computed ...