There are 40 students in Mr. Jackson's Math Club. All the students are between the ages of 15 and 18. There are 9 students who are 15, 12 students who are 16, 8 students who are 17, and 11 students who are 18.Mr. Jackson randomly selects one student in the Math Club to be his assistant in an experiment.Mr. Jackson will announce the student he selected during today's Math Club meeting. The meeting starts at 11:30 a.m. and ends at noon. The exact time of the announcement will be completely random.

What will be the shape of the density graph for these data? How do you know?

Question

There are 40 students in Mr. Jackson's Math Club. All the students are between the ages of 15 and 18. There are 9 students who are 15, 12 students who are 16, 8 students who are 17, and 11 students who are 18.Mr. Jackson randomly selects one student in the Math Club to be his assistant in an experiment.Mr. Jackson will announce the student he selected during today's Math Club meeting. The meeting starts at 11:30 a.m. and ends at noon. The exact time of the announcement will be completely random.

What will be the shape of the density graph for these data? How do you know?

anonymous · Answer

what is density graph

anonymous · Answer

density graph is of mass vs. vol.
here is no mass and vol.

directrix · Answer

@lall
It is a a probability density function. Not a mass, volume kind of thing.