The mean of 12 numbers is 11. If three numbers 2, 5 and 6 are replaced by 6, 5 and 2 respectively, then the new mean is
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new mean is 11
Step-by-step explanation:
The Observations 2,3,6 are replaced by 4,5,2
= 2+3+5=11
=4+5+2=11
As the sums of Both are the same there will no changes in the value of New Mean.
New Mean is 11
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