Mode is the which appears most frequently. In your example
1 appears 3 times
2 appears 2times
3 appears 1 time
6 appears 1 time
8 appears 1 time
9 appears 1 time
Since 1 appears maximum number of times in this example ,
1 is the mode.
Example 2: In the 8th standard the score in mathematics is as follows:
Class interval Number of students
0 t0 19 marks 11
20 to 39 marks 20
40 t0 59 marks 39
60 to 79 marks 25
80 to 100 marks 5
The highest class of frequency 40 to 59 marks with 39 students. So 40 to 59 is the modal class interval.
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