Question

find the mode of this data set. 11, 7, 9, 7, 15, 7

Explanation:

Step1: Recall mode definition

The mode is the number that appears most frequently in a data - set.

Step2: Count occurrences

In the data - set 11, 7, 9, 7, 15, 7, the number 11 appears 1 time, the number 7 appears 3 times, the number 9 appears 1 time, and the number 15 appears 1 time.

Answer:

7