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Student Page Mathematics: Grade 5 Play

Grade 5 Play : Home 

A 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.

Answer the questions in the following graph

1.  What is represented by the color blue? _____ the color red?_________

2.  Determine the mean ______and  median______ages of the chimpanzees .


3.  Determine the mean _______and median________percentage of play observations.



4. Does the age of the chimpanzee have anything to do with the amount it plays, according to this graph?





5. Do you think the information on this graph is true for all chimpanzees?  Explain your answer.



figure 1. The Relationship between Age and Play


Play (%)

Luna 22 3
Sebastan 19 2
Morris 17 24
Lary 40 5
Amir 8 7
Abby 20 0
Moses 10 8










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