A matched case control study was conducted to evaluate the cumulative effects of acrylate and methacrylate vapoors on olfactory function (Schwarts et al. 1989) Cases were defined as scoring at or below the 10th percentile on the UPSIT (University of Pennsylvania Smell Identification Test). Results are shown in the following Table: Controls Cases Exposed Unexposed Exposed 25 Unexposed 22 21 6. (a) Find a 95% confidence interval for the odds ratio measuring the strength of the relationship between the discase and the exposure. (b) Test for the independence between the discase and the exposure.

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A matched case control study was conducted to evaluate the cumulative effects of acrylate and methacrylate vapoors on olfactory function (Schwarts et al. 1989). Cases
were defined as scoring at or below the 10th percentile on the UPSIT (University of Pennsylvania Smell Identification Test). Results are shown in the folowing Table:
Controls
Cases
Exposed
25
Unexposed
22
Exposed
Unexposed
9.
21
(a) Find a 95% confidence interval for the odds ratio measuring the strength of the relationship between the discase and the exposure.
(b) Test for the independence between the disease and the exposure.
Transcribed Image Text:A matched case control study was conducted to evaluate the cumulative effects of acrylate and methacrylate vapoors on olfactory function (Schwarts et al. 1989). Cases were defined as scoring at or below the 10th percentile on the UPSIT (University of Pennsylvania Smell Identification Test). Results are shown in the folowing Table: Controls Cases Exposed 25 Unexposed 22 Exposed Unexposed 9. 21 (a) Find a 95% confidence interval for the odds ratio measuring the strength of the relationship between the discase and the exposure. (b) Test for the independence between the disease and the exposure.
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