MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question 2: Can you answer this question

It is well known, and scientifically documented, that yawning is contagious. When we see someone else yawn, or even think about someone yawning, we are very likely to yawn ourselves. In a study of yawning contagion, researchers showed participants one of several pictures (Provine et al. 1989). Based on the actual data shown below what is the expected no eyes with no yawn (give answer to 1 decimal place)? Use this handy_chi-squared calculator 2 . eyes nо eyes yawn 11 8 no yawn 13 19
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Transcribed Image Text:It is well known, and scientifically documented, that yawning is contagious. When we see someone else yawn, or even think about someone yawning, we are very likely to yawn ourselves. In a study of yawning contagion, researchers showed participants one of several pictures (Provine et al. 1989). Based on the actual data shown below what is the expected no eyes with no yawn (give answer to 1 decimal place)? Use this handy_chi-squared calculator 2 . eyes nо eyes yawn 11 8 no yawn 13 19
Expert Solution
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Step 1

Let , the observed frequency is given by ,

  eyes no eyes Total
yawn 11 8 19
no yawn 13 19 32
Total 24 27 51

We want to find the expected frequency for 'no eyes no yawn'

 

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