the mean of 12 number is 40. If each no. divided by 8, what will be the new no.
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mean of 12 numbers=40
sum of mean of 12 members= 12×40
=480
if each no. is divided by 8 then,
12 no.= 12×8
=96
total no. of observation= 480/96
=60
new mean=60/12
=5
sum of mean of 12 members= 12×40
=480
if each no. is divided by 8 then,
12 no.= 12×8
=96
total no. of observation= 480/96
=60
new mean=60/12
=5
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