the mean of 20 numbers is 8. if 4 is added to each number, find out the new mean .
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Answered by
10
Answer:
ans=12
Step-by-step explanation:
mean of 20 number is =20+4
new mean=24
the sum of number=20*8=160
4 added to each number
total number added= 4*20=80
the sum of no.= 160+80=240
new mean=240/20=12
Answered by
1
Answer:
Answer is 12.
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