the mean of hundred observation is 50 if one of this observation which was 50 is replaced by 150 what will be the resulting mean
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Answered by
2
Answer:
I think the ans is 49..
as the one 50 was replaced by 150 so ur equation will be .... x+100/100 = 50 ..
by solving it..
u will get the ans.. 49
Answered by
1
Answer:
mean of 100 observation = 50
sum of 100 observation = 100*50
=5000
term replaced = 50
replaced by = 150
total term replaced = 150 -50
= 100
new sum = 5000-100
= 4900
new mean = 4900/100
=49
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