Learn the difference between One-Way ANOVA and Kruskal-Wallis Test — what they are, when to use each method, and how to decide based on data type and distribution. Includes practical examples of independent and dependent variables for comparing multiple groups correctly.

Learn the difference between the Independent Sample T-Test and Mann-Whitney U Test — what they are, when to use them, and how to choose the right test for your data. Includes clear examples of independent and dependent variables for researchers analyzing differences between two groups.

What’s the difference between the mean and the median, and when should you use each in your research? This article explains how to choose the right measure for your data — and why Data Investigator is your trusted expert in statistical analysis and research consulting for over 15 years.