Correct option is A
Given
Data set: 5, 7, 6, 5, 9, 8, 6, 7, 11, 10, 5, 7, 6, 8, 6, 9, 10, 6
Formula Used
Mode is the value that appears most frequently in a data set.
Solution
Count the frequency of each number:
5 appears 3 times
6 appears 5 times
7 appears 3 times
8 appears 2 times
9 appears 2 times
10 appears 2 times
11 appears 1 time
The number 6 has the highest frequency (5 times).
Final Answer
So the correct answer is (a)
