ples have mean absolute deviations that do not center about the value of the mean absolute deviation of the population What does this ind how that when samples of size 2 are randomly selected about a sample mean absolute deviation being used as an estimator of the mean absolute deviation of a population as a bit oluts are avul a sampit man att vian ay mae as a coma un ie man i a po A The sample mean absolute deviation is a biased estimator of the population mean absolute deviation because the sample statistic centers around a different va than the population parameter OB The sample mean absolute deviation is a biased estimator of the population mean absolute deviation because the sample statistic centers around the mean valu the population OC The sample mean absolute deviation is an unbiased estimator of the population mean absolute deviation because the sample statistic centers around the mean value of the population ulation abcoluto