Please answer the following question by reasoning step-by-step.
What is the Mode of the following data set S- {1,2,6,9,6,6,10}\nOptions:\n(A) 9\n(B) 6\n(C) 10\n(D) 1\n(E) 2

(B)
Mode of a set is the data point that is repeated the most number of times.

In the set given, 6 is repeated.

.

Therefore, the answer is (B)