100 Statistical Tests Apr 2026

The probability that the observed results occurred by chance. Generally, a p-value less than 0.05 suggests the result is "statistically significant." Choosing the Right Tool

These are the workhorses of research. A One-sample t-test compares a group to a known value, while an Independent samples t-test compares two distinct groups. For three or more groups, the F-test (ANOVA) is used. 100 Statistical Tests

Tests like the Kolmogorov-Smirnov or Shapiro-Wilk check if a dataset fits a theoretical distribution, which is often a prerequisite for more complex modeling. The Logic of Hypothesis Testing The probability that the observed results occurred by chance

These determine if two variables move together. Pearson’s Correlation measures linear relationships, while the Chi-square test evaluates the independence of categorical variables (e.g., does gender affect voting preference?). does gender affect voting preference?).