The mean of 10 observations is 15.4 if 1 observation is registered as 23 or instead of 32 find their mean
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Given,
the mean of 10 observations is = 15.4
32-23=9
now add 9 to the mean
x+9/10=15.4
x+9=154
x=145
Now the actual mean is = 145/10
=14.5
The actual mean is 14.5
the mean of 10 observations is = 15.4
32-23=9
now add 9 to the mean
x+9/10=15.4
x+9=154
x=145
Now the actual mean is = 145/10
=14.5
The actual mean is 14.5
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