The mean and median of 100 observation are 50 and 52 respectively.The value of the largest observation is100.It was later found that it is 110 not 100 .find the true mean and median
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Mean =
Old mean = 50
sum. of observations= 50x100=5000
New sum =5000+10=5010
new mean= 5010/100 = 50.1
new mode= 110
median remains same
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Mean =
\frac{sum\: of all\: obeservtion}{total \: no \: of \: observations}
total no ofobservations/
sumofallobeservtion
mean = sum =5000+10=5010
new mean= 5010/100 = 50.1
new mode= 110
median remains same
\frac{sum\: of all\: obeservtion}{total \: no \: of \: observations}
total no ofobservations/
sumofallobeservtion
mean = sum =5000+10=5010
new mean= 5010/100 = 50.1
new mode= 110
median remains same
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