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hi i have a question my 2 shops has a 40 net takinds dayly one shop has the mean 100 and standard deviation 20 and the second has the mean 90 and
hi i have a question my 2 shops has a 40 net takinds dayly one shop has the mean 100 and standard deviation 20 and the second has the mean 90 and stdard deviation of 40 my boths shops re taking the same??????
