In an experiment to test an aspect of cognition in chimpanzees, 67 chimpanzees were given two boxes to open. 17 of them succeeded in opening both boxes, 15 of them failed in opening both boxes, 24 of them opened the first box but not the second, and 12 of them opened the second box but not the first. Does this data support the idea that both boxes were equally difficult for the chimpanzees to open?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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In an experiment to test an aspect of cognition in chimpanzees, 67 chimpanzees
were given two boxes to open. 17 of them succeeded in opening both boxes, 15 of them
failed in opening both boxes, 24 of them opened the first box but not the second, and 12
of them opened the second box but not the first. Does this data support the idea that both
boxes were equally difficult for the chimpanzees to open?
Transcribed Image Text:In an experiment to test an aspect of cognition in chimpanzees, 67 chimpanzees were given two boxes to open. 17 of them succeeded in opening both boxes, 15 of them failed in opening both boxes, 24 of them opened the first box but not the second, and 12 of them opened the second box but not the first. Does this data support the idea that both boxes were equally difficult for the chimpanzees to open?
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