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Study Resources (Statistics)

In a career readiness research, 100 students were randomly selected from the psychology program, 150 students were randomly selected from the communications program, and 120 students were randomly selected from cyber security program. This type of sampling is called: (i) cluster (ii) convenience .
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In a certain case-control study, the relationship between an exposure and an illness was found to have an odds ratio greater than 1.0; however, the p-value was 0.15 which was greater than the predetermined cut-off for statistical significance (0.05). Do these finding mean the exposure is not a risk factor.
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