USE THE 8-STEP HYPOTHESIS TESTING In the study by Silver and Aiello (A-4) cited in Example 12.4.2, a s determine if the frequency of falls was independent of wheelchair use. Th data for falls and wheelchair use among the subjects of the study.

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Choose the appropriate testing to use (Goodness of fit, test of homography, test of association, or fisher exact test)

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USE THE 8-STEP HYPOTHESIS TESTING
In the study by Silver and Aiello (A-4) cited in Example 12.4.2, a secondary objective was to
determine if the frequency of falls was independent of wheelchair use. The following table gives the
data for falls and wheelchair use among the subjects of the study.
Fallers
Nonfallers
Yes
62
18
Wheelchair Use
No
121
32
Source: J. K. Silver and D. D. Aiello, "Polio Survivors: Falls and
Subsequent Injuries," American Journal of Physical Medicine and
Rehabilitation, 81 (2002), 567-570.
Do these data provide sufficient evidence to warrant the conclusion that wheelchair use and falling are
related? Let α = .05.
Transcribed Image Text:USE THE 8-STEP HYPOTHESIS TESTING In the study by Silver and Aiello (A-4) cited in Example 12.4.2, a secondary objective was to determine if the frequency of falls was independent of wheelchair use. The following table gives the data for falls and wheelchair use among the subjects of the study. Fallers Nonfallers Yes 62 18 Wheelchair Use No 121 32 Source: J. K. Silver and D. D. Aiello, "Polio Survivors: Falls and Subsequent Injuries," American Journal of Physical Medicine and Rehabilitation, 81 (2002), 567-570. Do these data provide sufficient evidence to warrant the conclusion that wheelchair use and falling are related? Let α = .05.
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