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  1. H

    How to estimate population statistics for each category ?

    My question is essentially, since I’m using a random sample (hence unbiased) to estimate the population statistics. Can I use the mean of each sub group within that sample as an unbiased estimate of the respective population subgroups ? The key here is that my estimate should be an unbiased estimate
  2. H

    How to estimate population statistics for each category ?

    I have data from a simple random sample having n elements which I’m using to estimate my overall population statistics (mean). My population can be divided into k categories, and I know the composition of my overall population in terms of these categories. As part of my study, I want to estimate...