the mean of 12 number is 50. if 3 is added to every number. what is the new mean?
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Answered by
0
Answer:
53
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Answered by
1
Answer:
53
Step-by-step explanation:
mean of 12 no.s =50
when 3 is added to every no. , mean increases by 3
50+3=53
sum of 12no.s =50×12=600
when 3 added to each no., sum increases by = 12×3 =36
sum of 12 no.s after adding 3to all no.s
= 600+36=636
mean =636/12
=53
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