Question

the mean of 16 numbers is 8 if 2 is added to every number find the new mean​

Answer 1

Mean=Sum of observations/

Total no. of observations

mean will be

X/16=8

X=128

then if 2 is added to every no.

then new mean will be

128+32/16

=160/16

=10

Thus the new mean is 10

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