Question

marks of 12 students in a unit test are given as 4,21,13,17,5,9,10,20,19,12,20,14 assume a mean and calculate the arithmetic mean again. do you get the same result? comment
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Answer 1

Answer:

mean=13.66

Step-by-step explanation:

mean=sum of all observation

total no of observation

mean=4+21+13+17+5+9+10+20+19+12+20+14

12

mean=164

12

mean=13.66

hope it will help you

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