Abstract
This note compares the power functions of the sign test for slippage with the power functions of the most powerful test for the case of normal populations. The sign test is found to be approximately 95% efficient for small samples.
Citation
John E. Walsh. "On the Power Function of the Sign Test for Slippage of Means." Ann. Math. Statist. 17 (3) 358 - 362, September, 1946. https://doi.org/10.1214/aoms/1177730950
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