the mean of 100 observation is 60 if one observation of 50 is replaced by 110 then what will be the new mean
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Step-by-step explanation:
mean = 100×60 = 6000- 50+110 = 6060÷100= 60.60 is the new mean of the 100 observation .
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Old Obs No = 100
Old Mean = 60
New Obs = 100-50+110
New Mean = New Obs/Total No Of Fi
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