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Q.

What is the mode of 19,19,15,20,25,15,20,15?


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a

15

b

20

c

19

d

25  

answer is A.

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Detailed Solution

Given, 19,19,15,20,25,15,20,15.
We know that the most occurring observation in a data set is the mode of the data set.
Arranging the given numbers in ascending order, we get,
15, 15, 15, 19, 19, 20, 20, 25.
Since observation 15 is occurring the most in the data.
So, the mode of the given data is 15.
Hence, option 1  is correct.
 
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What is the mode of 19,19,15,20,25,15,20,15?