Question

1. what is the mode of this data? 4, 6, 7, 9, 10, 12, 14, 15, 15

Explanation:

Step1: Recall mode definition

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

Step2: Count frequencies

In the data - set 4, 6, 7, 9, 10, 12, 14, 15, 15, the number 4 appears 1 time, 6 appears 1 time, 7 appears 1 time, 9 appears 1 time, 10 appears 1 time, 12 appears 1 time, 14 appears 1 time, and 15 appears 2 times.

Answer:

15