Many statisticians recommend using trimmed means to estimate a population mean yU if there are outliers. The procedure used to find an ?-trimmed mean in an SRS of size n is to remove the largest n? observations and the smallest n? observations, and then calculate the mean of the n(1 ? 2?) observations that remain. Show that the ?-trimmed mean for a finite population U of N observation units is
This question was answered on: Jul 11, 2017
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