Calculation of mode - Individual series

Q. 9. Find the mode of the following array of an individual series of scores.

7

7

10

12

12

12

11

13

13

17

Solution. We see that the observation 12 has the maximum frequency 3. Therefore, 12 is the mode.

Calculation of mode - Discrete series

Q. 10. Calculate mode from the data given below:

Marks Frequency
15 2
18 1
19 1
20 1
22 1
25 3
28 1

Here, marks 25 occurs maximum number of times (i.e., 3).
Hence, the modal marks are 25 or mode = 25.



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