Flashcards
STATISTICS Key Formulas
Cards in this deck (16)
- 1MEANMEAN = The sum of all the values / The total number of values.
- 2SUM OF SQUARESSxx = Sum of (X-Mean)squared / n
- 3VARIANCES^2 = Sxx / n-1
- 4MEAN SQUARE DEVIATIONMSD = Sxx / n
- 5ROOT MEAN SQUARE DEVIATIONThe square root of Sxx / n
- 6STANDARD DEVIATIONThe square root of Sxx / n-1
- 7OUTLIER TESTEither 1.5 x IQR or Mean ± 2s
- 8PROBABILITY OF A AND BP(AandB)
- 9PROBABILITY OF A OR BP(AUB)
- 10PROBABILITY OF NOT A1 - P(A)
- 11PROBABILITY OF A OR BP(A) + P(B) - P(AandB)
- 12PROBABILITY OF B GIVEN AP(BIA) = P(AandB) / P(A)
- 13EXPECTED VALUE OF XE(X) = Sum of Xi Pi
- 14VARIANCE OF XVar(X) = E(X^2) - (E(x))^2
- 15COMBINATIONSn! / (n - r)! r!
- 16PERMUTATIONSn! / (n - r)!
Information
- Description
- Statistics Formulas for OCR MEI S1
- Created by
- Deleted user · Mar 2018
- Updated
- Mar 13, 2018
- Views
- 17
- History
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- Created by Chloe Drewery · Apr 8, 2017
- Copied by Joey Bandelow · Mar 13, 2018
- Rating