The mean of 5 entries is 13.later it was founded that 50 is misread as 15. Find the correct mean.
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Answered by
3
Mean = 13
Mean = Sum of observation/Number of observations
13 = Sum/5
Sum = 65
50 was misread as 15
So 65 - 15 = 50
Now including the correct observation,
50 +50 = 100
Correct mean = 100/5 = 20
Mean = Sum of observation/Number of observations
13 = Sum/5
Sum = 65
50 was misread as 15
So 65 - 15 = 50
Now including the correct observation,
50 +50 = 100
Correct mean = 100/5 = 20
sweety70:
In the beginning mean is 13 not 15 dear
Answered by
2
mean = sum of observations/ number of observations
13= sum of the observations/5
sum of the observations = 13×5
=65
50 is misread as 15
new sum =65+(50-15)
=65+35
=100
correct mean= 100/5
=20
hope it helps..
13= sum of the observations/5
sum of the observations = 13×5
=65
50 is misread as 15
new sum =65+(50-15)
=65+35
=100
correct mean= 100/5
=20
hope it helps..
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