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Contingency tables help display data and are particularly useful when calculating probabilites that have multiple dependent variables. There are several tools you can use to help organize and sort data when calculating probabilities. Available online at (accessed May 2, 2013). “United States: Uniform Crime Report – State Statistics from 1960–2011.” The Disaster Center. “Strange Facts about RH Negative Blood.” eHow Health, 2013. “Human Blood Types.” Unite Blood Services, 2011. Available online at (accessed May 2, 2013). NEXUS Chest: Validation of a Decision Instrument for Selective Chest Imaging in Blunt Trauma Robert M. “Ethnic and Racial Differences in the Smoking-Related Risk of Lung Cancer.” The New England Journal of Medicine, 2013. Available online at (accessed May 3, 2013).ĭata from the National Center for Health Statistics, part of the United States Department of Health and Human Services.ĭata from United States Senate. This enabled comparison of the hazard ratios of the OSND, MIS and phase angle with those of components of OSND, as well as each with another. Notice that 305 450 = 755 \text = 0.0585 BMI, anthropometric indexes, albumin level, transferrin level and cholesterol level were each divided into three groups, in a decrement fashion and expressed as integer numbers between 1 and 3. The total number of people in the sample is 755. Suppose a study of speeding violations and drivers who use cell phones produced the following fictional data:
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