A group of college students was surveyed to see how old they were when they had their first job. The results were as follows: 15% were 14 years old; 50% were 15 years old; 20% were 16 years old; and 15% were 17 years old. Which of the following is the mode or modes for the ages in this data set? 

(1 point)
Responses

15
15

15.5
15.5

14 and 17
14 and 17

50
50

The mode is the value or values that appear most frequently in a dataset. In this case, the age that appears most frequently is 15, with 50% of the students having their first job at that age. Therefore, the mode in this data set is 15.

The mode is the value(s) that occur the most frequently in a dataset. In this case, the ages reported by the college students were: 14, 15, 16, and 17 years old. According to the given percentages, the age that occurred most frequently is 15, which was reported by 50% of the students. Therefore, the mode for the ages in this data set is 15.

So, the correct answer is:

15