Q14 of 33 Page 156

Find the mode of 10, 12, 11, 10, 15, 20, 19, 21, 11, 9, 10.

As, mode is the most frequently occurring value.

Clearly, 10 is most frequent


Therefore, mode is 10.


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The median of the following observations, arranged in ascending order is 15.

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Find the mode of all digits used in writing the natural numbers from 1 to 100.