Materials Needed: calculators
Lab Word.doc ( optional)
Answers Word.doc ( optional)
The student page deals with interpreting
graphs and finding the mean and median of two
variables, age and play. The student's goal is to find
out if thee is a relationship between them.
After students are finished with the
lab, discuss why results might not be true in every sample.
Brainstorm some variables that come into place.
Answers to Play
chimpanzee's day is very full. They spend many hours of the day
doing a wide variety of behaviors. During their day they
can be seen, foraging for food, grooming, resting, running,
climbing and playing as well as many other behaviors.. As
with humans, the amount of play is changes with age. Below is a
graph and table that compares a chimpanzee's age with the
percentage of time it plays.
the questions in the following graph
What is represented by the color blue? age
the color red? play
Age Play (%)
Does the age of the chimpanzee have anything to do with the
amount it play, according to this graph?
general, according to this graph, play tends to decrease with
Do you think the information on this graph is true for all
chimpanzees? Explain your answer.
It depends on a lot of variables such as: number and age
chimpanzees, habitat and enrichment
1. The Relationship between Age and Play