Biostatistics Team Project 1 ‒ Questions
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19. The following table shows the results of a screening test hypothesized to detect persons at risk for side effects of new cosmetic surgery. Side effects present Side effects absent Screen positi... ve 12 6 Screen negative 85 204 a) Compute the sensitivity of the test. 0.124 b) Compute the specificity of the test. 0.971 c) Compute the false positive fraction. 0.029 d) Compute the false-negative fraction. 0.876 20. The following table shows the results of a screening test hypothesized to identify persons at risk for a rare blood disease. No Disease Disease Screen Negative 1274 28 Screen Positive 51 45 a) Compute the sensitivity of the test. 0.616 b) Compute the specificity of the test. 0.962 c) Compute the false positive fraction. 0.038 d) Compute the false-negative fraction. 0.384 [Show More]
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