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Q.

What will be the mean of the given data?


17, 10, 12, 11, 10, 15, 14, 11, 12, 13


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a

12.5

b

13.5

c

14.5

d

15.5 

answer is A.

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Detailed Solution

We have to find the mean of the data: 17, 10, 12, 11, 10, 15, 14, 11, 12, 13.
We know that,
Mean= Sum of all observations  Number of observations
Putting the values,
Mean=  17+10+12+11+10+15+14+11+12+13 10 = 125 10 =12.5
So, the mean of the data: 17, 10, 12, 11, 10, 15, 14, 11, 12, 13 = 12.5.
Therefore, option 1 is correct.
 
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