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Exit - Stats
Statistics 2
| Term | Definition |
|---|---|
| Confidence Interval | Range of values likely to contain population parameter. |
| Hypothesis Testing | Procedure to test population parameter assumptions. |
| Null Hypothesis (H■) | Statement of no effect or difference. |
| Alternative Hypothesis (H■) | Statement researcher seeks to prove. |
| P-Value | Probability of observing sample result if H■ is true. |
| T-Distribution | Used for small samples or unknown population SD. |
| Chi-Square Test | Tests independence or goodness of fit. |
| Regression Analysis | Examines relationship between dependent and independent variables. |
| Coefficient of Determination (R2) | Proportion of variation explained by model. |
| F-Test | Compares multiple group variances or regression significance. |
| ANOVA | Analyzes differences between group means. |
| Forecasting | Predicting future values using historical data. |