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July 7, 2015

Homework Help: Statistics

Posted by Ethel on Tuesday, July 2, 2013 at 6:19pm.

Siegel found that elderly people who owned dogs were less likely to pay visits to their doctors after upsetting events than were those who didnít own pets. Similarly, consider the following hypothetical data. A sample of elderly dog owners is compared to a similar group (in terms of age and health) who do not own dogs. The researcher records the number of visits to the doctor during the past year for each person. The data are as follows:
Control Group Dog Owners
12 8
10 5
6 9
9 4
15 6
12
14

a. Is there a significant difference in the number of doctor visits between dog owners and control subjects? Use a two-tailed test with Š=.05.

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