Question

Calculate the mean of the following marks :

13 , 16 , 14 , 9 , 18 , 11 , 10 , 12 , 20
$calculate the mean of following marks 13 1614 9 18 11 10 12 20$
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Answer 1

Answer:

First arrange in ascending oder 9,10,11,12,13,14,16,18,20

mean= sum of all digits/ highest no

= 9+10+11+12+13+14+16+18+20/20

=6.15

Answer 2

Answer:

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