Cumulative Study Aid for Statistical Formulas
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| 1743465554 | Mean of a Sample |  | 0 | |
| 1743465555 | Range |  | 1 | |
| 1743465556 | Sum of Squares (Sum of Squared Deviations) Definitional Formula |  | 2 | |
| 1743465557 | Variance- Definitional Formula |  | 3 | |
| 1743465558 | Standard Deviation- Definitional Formula |  | 4 | |
| 1743465559 | Sum of Squares (Sum of Squared Deviations) Computational Formula |  | 5 | |
| 1743465560 | Variance of Population |  | 6 | |
| 1743465561 | Standard Deviation of Population |  | 7 | |
| 1743465562 | Variance of Sample |  | 8 | |
| 1743465563 | Standard Deviation of Sample |  | 9 | |
| 1743465564 | Z-score Formula |  | 10 | |
| 1743465565 | Raw Score from a Z-score Formula (X-score) |  | 11 | |
| 1743465566 | Standard Error |  | 12 | |
| 1743465567 | Z-score for Sample of Means |  | 13 | |
| 1743465568 | Effect Size for z Test (Cohen's d) |  | 14 | |
| 1743465569 | Confidence Interval for z Test (Lower End) |  | 15 | |
| 1743465570 | Confidence Interval for z Test (Upper End) |  | 16 | |
| 1743465571 | Estimated Standard Error (t statistic) |  | 17 | |
| 1743465572 | t-statistic Formula |  | 18 | |
| 1743465573 | Degrees of Freedom (t-statistic) |  | 19 | |
| 1743465574 | Estimated Cohen's d (t-statistic) |  | 20 | |
| 1743465575 | Percentage of Variance Explained (t-statistic) |  | 21 | |
| 1743465576 | Independent Measures t-test |  | 22 | |
| 1743465577 | Estimated Standard Error (Independent Measures t-test) when sample size is the same (n1=n2) |  | 23 | |
| 1743465578 | Pooled Variance (Independent Measures t-test) |  | 24 | |
| 1743465579 | Estimated Standard Error (Independent Measures t-test) when sample size is NOT the same (n1≠n2) |  | 25 | |
| 1743465580 | Degrees of Freedom (Independent Measures t-test) 2 groups |  | 26 | |
| 1743465581 | Estimated Cohen's d (Independent Measures t-test) |  | 27 | |
| 1743465582 | Percentage of Variance Explained (Independent Measures t-test) same as for t-test but use df(total) |  | 28 |
