A yoga teacher collected data on the ages of the people in her class. The median is 33 years old. The mean is 40 years old. The mode is 51 years old. Which of the following statements must be true?...

Each person in the class is exactly 33, 40, or 51 years old.The oldest person in the class is exactly 51 years old.At least half of the people in the class are 33 years old or younger.Most people in the class are exactly 40 years old.