The incomes of seven months of a man are rs 7250,6000,3500,2750,6500,7150,5200.find the mean income
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Given observations=7250,6000,3500,2750,6500,7150,5200
No.of observations=7
Mean =sigmafixi/sigmafi
=7250+6000+3500+2750+6500+7150+5200/7
=38,350/7
=5,478.57
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