What will be the mode of the data: 15, 17, 15, 19, 14, 18, 15, 14, 16, 15, 14, 20, 19, 14, 15?

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answer is B.

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Detailed Solution

We have to find the mode of the data: 15, 17, 15, 19, 14, 18, 15, 14, 16, 15, 14, 20, 19, 14, 15.
We know that,
Mode is the observation with the highest frequency.
Arranging the observations in the ascending order,
14,14,14,14,15,15,15,15,15,16,17,18,19,19,20.
We can see that 15 has the highest frequency=5.
Therefore, option 2 is correct.

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