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LESSON 3.1 RELATIONSHIPS BETWEEN TWO CATEGORICAL VA
Lesson App 3.1 Are young squirrels more cautious?
Do adult and juvenile Eastern gray squirrels in New York's Central Park exhibit different behavior
toward humans? That is one of many questions investigated by 323 volunteer squirrel sighters in
October 2018. Here are the data for 2898 squirrel sightings in the park.
Age
Juvenile Adult Total
Approach
111
756 867
Behavior
Indifferent
138
1241
1379
toward humans
Run away
Total
81
571 652
330
2568 2898
1 Make a segmented bar chart to show the relationship between age and behavior toward humans.
2
Based on the graph, is there an association between age and behavior toward humans? Explain
your reasoning. If there is an association, briefly describe it.