Two new unbiased point estimates of an unknown population variance are introduced. They are compared to three known estimates using the mean-square error (MSE). A computer program, which is available for download at http://program.20m.com, is developed for performing calculations for the estimates.
Elam, Matthew E.
"Two New Unbiased Point Estimates Of A Population Variance,"
Journal of Modern Applied Statistical Methods: Vol. 5
, Article 17.
Available at: http://digitalcommons.wayne.edu/jmasm/vol5/iss1/17