Statistics

  1. Chi-Square Tests
    1. Chi-Square Distribution
      1. Degrees of Freedom
      2. Goodness-of-Fit Test
        1. Purpose
          1. Testing Distributional Assumptions
            1. Comparing Observed vs. Expected
            2. Hypotheses
              1. Null Hypothesis
                1. Alternative Hypothesis
                2. Test Statistic
                  1. Chi-Square Formula
                    1. Expected Frequency Calculation
                    2. Assumptions
                      1. Expected Frequency Requirements
                        1. Independence
                        2. Calculation Steps
                          1. Interpretation
                            1. P-value Approach
                              1. Critical Value Approach
                            2. Test for Independence
                              1. Purpose
                                1. Testing Relationship Between Variables
                                  1. Contingency Table Analysis
                                  2. Contingency Tables
                                    1. Row and Column Variables
                                      1. Cell Frequencies
                                        1. Marginal Totals
                                        2. Hypotheses
                                          1. Independence Assumption
                                          2. Expected Frequency Calculation
                                            1. Formula
                                              1. Degrees of Freedom
                                              2. Test Statistic Calculation
                                                1. Interpretation
                                                  1. Association Strength
                                                    1. Cramér's V
                                                  2. Test for Homogeneity
                                                    1. Purpose
                                                      1. Comparing Distributions
                                                        1. Multiple Populations
                                                        2. Hypotheses
                                                          1. Calculation
                                                            1. Similar to Independence Test
                                                              1. Different Interpretation
                                                              2. Interpretation
                                                                1. Population Differences

                                                            Previous

                                                            10. Correlation and Regression

                                                            Go to top

                                                            Next

                                                            12. Non-Parametric Statistics