The age of 18 students of a class is reported below. Their modal age is

10, 17, 14, 10, 11, 12, 12, 13, 17, 13, 14, 14, 15, 16, 17, 15, 17, 16

17 years

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22 years

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14 years

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16 years

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Solution

The correct option is A
17 years

We arrange the data in ascending order as:
10,10,11,12,12,13,13,14,14,14,15,15,16,16,17,17,17,17
Since 17 occurs maximum number of times i.e. 4 times, the modal age is 17 years.

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The age of 15 students in a class is given below:

10, 11, 12, 10, 10, 12, 13, 13, 11, 10, 12, 11, 12, 13, 10

Find the frequency of age 13.

30

18

19

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