the mean of 15 Number is 27. ifeach multiplied by 4,what will be the new mean of the numbers?
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mean=sum/no.of observation s
27=sum/15
27*15=sum
sum=405
each multiply by4
sum=4*405
new mean=4*405/15
=1620/15
=108
27=sum/15
27*15=sum
sum=405
each multiply by4
sum=4*405
new mean=4*405/15
=1620/15
=108
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