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Question 28 1 pts The confidence interval for a rate or proportion is a range of values that represents the variability likely in any measurement of disease or exposure occurrence. O True O False Question 29 1 pts The is a measure of association that provides the strength and direction of the association between exposure and an existing outcome in a cross-sectional study. O Prevalence ratio O Outcome odds ratio O Exposure odds ratio Incidence density ratio Question 30 1 pts Attributable risk is the amount of risk in a comparison group that can be eliminated if the exposure of interest is removed from the group. O True O False
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