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Overview Analysis Strategy Univariate (One variable) Bivariate (Two variables) Multivariate (> 2 variables) 1 Overview Univariate (One variable) Continuous Variable Categorical Variable Central Tendancy Variation Distribution Mean Variance Normal Histogram Counts Bar Graph Median Standard Deviation Uniform Box Plot Frequencies Pie Graph Exponential Stem Plot Percentages Pareto Graph Dot Plot Odds Mode Plots Frequencies Range Plots Percentiles Line Chart Interquartile Range Time Series Plot 2 Overview Bivariate (Two variables X & Y) Categorical Y Categorical X Y-2 Categories X-2 Categories Y or X are > 2 categories Pearson’s Chi-square Pearson’s Chi-square Fisher’s Exact MantelHaenszel McNemar's Test Continuous Y Categorical X Y-Normal X-2 Categories Continuous Y Continuous X Y-Normal X>2 Categories Y-Non-normal X-2 Categories 2 Sample test Wilcoxon Rank-sum PairedSample test Wilcoxon Signed-rank Y = Dependent, Outcome, or Response Variable; Y and X Normal Y-Non-normal X>2 Categories One-way ANOVA KruskalWallis Test Scatter plot Simple Linear Regression Y or X Non-normal Spearman’s Correlation Pearson’s Correlation X = Independent variable, Explanatory variable 3 Overview Multivariate (More than two variables) Continuous Y Dichotomous Y Nominal Y > 2 Categories Ordinal Y Multiple Regression Logistic Regression Multinomial Logistic Ordinal Logistic Analysis of Variance Discriminant Analysis Y is “Time” Survival Analysis Multivariate Y Life Table Cox Proportional Hazards Model MANOVA Factor Analysis Analysis of Covariance Y = Dependent, Outcome, or Response Variable; Repeated Measures X = Independent variable, Explanatory variable 4