Problem
A group of students were asked what their favorite color is. The responses were as follows: Red, Blue, Green, Red, Blue, Red, Green, Red, Blue, Blue, Green, Red, Blue, Green, Green. What is the mode of this data set?
Solution
Step 1 ：Step 1: First, we list all the data points and count their frequency: Red - 5, Blue - 5, Green - 5.
Step 2 ：Step 2: The mode of a data set is the data point that appears most frequently. If all data points appear the same number of times, then there is no mode.
