Cumulative Study Aid for Statistical Formulas
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| 1278217968 | Mean of a Sample |  | 0 | |
| 1278217969 | Range |  | 1 | |
| 1278217970 | Sum of Squares (Sum of Squared Deviations) Definitional Formula |  | 2 | |
| 1278217971 | Variance- Definitional Formula |  | 3 | |
| 1278217972 | Standard Deviation- Definitional Formula |  | 4 | |
| 1278217973 | Sum of Squares (Sum of Squared Deviations) Computational Formula |  | 5 | |
| 1278217974 | Variance of Population |  | 6 | |
| 1278217975 | Standard Deviation of Population |  | 7 | |
| 1278217976 | Variance of Sample |  | 8 | |
| 1278217977 | Standard Deviation of Sample |  | 9 | |
| 1278217978 | Z-score Formula |  | 10 | |
| 1278217979 | Raw Score from a Z-score Formula (X-score) |  | 11 | |
| 1278217980 | Standard Error |  | 12 | |
| 1278217981 | Z-score for Sample of Means |  | 13 | |
| 1278217982 | Effect Size for z Test (Cohen's d) |  | 14 | |
| 1278217983 | Confidence Interval for z Test (Lower End) |  | 15 | |
| 1278217984 | Confidence Interval for z Test (Upper End) |  | 16 | |
| 1348020928 | Estimated Standard Error (t statistic) |  | 17 | |
| 1348020929 | t-statistic Formula |  | 18 | |
| 1348020930 | Degrees of Freedom (t-statistic) |  | 19 | |
| 1348020931 | Estimated Cohen's d (t-statistic) |  | 20 | |
| 1348020932 | Percentage of Variance Explained (t-statistic) |  | 21 | |
| 1348020933 | Independent Measures t-test |  | 22 | |
| 1348020934 | Estimated Standard Error (Independent Measures t-test) when sample size is the same (n1=n2) |  | 23 | |
| 1348020935 | Pooled Variance (Independent Measures t-test) |  | 24 | |
| 1348020936 | Estimated Standard Error (Independent Measures t-test) when sample size is NOT the same (n1≠n2) |  | 25 | |
| 1348020937 | Degrees of Freedom (Independent Measures t-test) 2 groups |  | 26 | |
| 1348020938 | Estimated Cohen's d (Independent Measures t-test) |  | 27 | |
| 1348020939 | Percentage of Variance Explained (Independent Measures t-test) same as for t-test but use df(total) |  | 28 |
