Evolutionary theory and empirical evidence suggest that an animal infected with a parasite will change their social behavior in order to increase transmission of the parasite. A study was conducted to test whether human social interactions increase in response to the common flu vaccine (a proxy for natural infection). The number of people encountered 48 hours before immunization was compared to the number of people encountered 48 hours after immunization for 10 individuals. Does the vaccine increase the encounter rate? Prior studies indicated that similar data fail the assumptions for parametric tests.
Individual ID Before Immunization After Immunization
1 90 94
2 59 100
3 56 85
4 72 84
5 66 106
6 56 91
7 61 60
8 44 112
9 58 127
10 68 67
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