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Statistics Formulas Flashcards

Cumulative Study Aid for Statistical Formulas

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1743465554Mean of a Sample0
1743465555Range1
1743465556Sum of Squares (Sum of Squared Deviations) Definitional Formula2
1743465557Variance- Definitional Formula3
1743465558Standard Deviation- Definitional Formula4
1743465559Sum of Squares (Sum of Squared Deviations) Computational Formula5
1743465560Variance of Population6
1743465561Standard Deviation of Population7
1743465562Variance of Sample8
1743465563Standard Deviation of Sample9
1743465564Z-score Formula10
1743465565Raw Score from a Z-score Formula (X-score)11
1743465566Standard Error12
1743465567Z-score for Sample of Means13
1743465568Effect Size for z Test (Cohen's d)14
1743465569Confidence Interval for z Test (Lower End)15
1743465570Confidence Interval for z Test (Upper End)16
1743465571Estimated Standard Error (t statistic)17
1743465572t-statistic Formula18
1743465573Degrees of Freedom (t-statistic)19
1743465574Estimated Cohen's d (t-statistic)20
1743465575Percentage of Variance Explained (t-statistic)21
1743465576Independent Measures t-test22
1743465577Estimated Standard Error (Independent Measures t-test) when sample size is the same (n1=n2)23
1743465578Pooled Variance (Independent Measures t-test)24
1743465579Estimated Standard Error (Independent Measures t-test) when sample size is NOT the same (n1≠n2)25
1743465580Degrees of Freedom (Independent Measures t-test) 2 groups26
1743465581Estimated Cohen's d (Independent Measures t-test)27
1743465582Percentage of Variance Explained (Independent Measures t-test) same as for t-test but use df(total)28
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