what is the mode? 8 9 9 9 8

Explanation:

Step1: Recall mode definition

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

Step2: Count number frequencies

In the data - set 8, 9, 9, 9, 8, the number 8 appears 2 times and the number 9 appears 3 times.

Step3: Determine the mode

Since 9 appears more frequently than 8, the mode is 9.

Answer:

9