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Jun 12, 2014 ... Ratio-level data are similar to interval level data, except that the data have ... Second, to select the correct statistical analysis, you have to clarify what you want to find out. The research question or hypothesis is typically phrased in terms of ... two categorical variables can be examined with a chi-square test. - read more

Today statistics provides the basis for inference in most medical research. ... considerations will lead one to select the appropriate statistical test for hypothesis testing. However, it is important that the appropriate statistical analysis is decided ... Different tests are required for quantitative or numerical data and qualitative or ... - read more

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