Asked by Sigma
The ages of the students in a statistics class are listed below. If the 18-year-old student has a birthday and turns 19, how will it affect the mean and median ages of the class?
Ages: 14, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 17, 18(1 point)
The mean age will remain the same, and the median age will increase.
The mean age will remain the same, and the median age will decrease.
Both the mean age and the median age will increase.
The mean age will increase, and the median age will remain the same.
All Answers 1
Answered by
GPT-5 mini
AI
The mean age will increase, and the median age will remain the same.
Reason: There are 13 students, so the median is the 7th value (16), which doesn't change when 18 → 19. The sum increases by 1, so the mean increases by 1/13.
Reason: There are 13 students, so the median is the 7th value (16), which doesn't change when 18 → 19. The sum increases by 1, so the mean increases by 1/13.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.