Statistics Formulas - Cheat Sheet

* Scotteaed Diagramme Hethod There is "Inverse srelation between scatterhen of diagram and Degree of Correlation" + Vegues By 100 25 Singulandthece o CPA of t STATiostics Mal Correlation Relation In the variation of thMean(R) Jedinect Coefficient of Coxeption Conception Combined Hean (Xi) Median Control valid value 3 2c-m.ing Direction tve relation & Ve Quarttle Relations A Dede 70 Standard Error+ 1-82 Probable Error SEE) Range in Corelation Limits of Correlation +PE (Upper Limit) Determinatee 6PE -PE (lower line) Percantile ilgi Ps. Spa! toum 100 Kelation in mean, medion k mode Z(male) 3 median - 2mean Range Deviation Methadits Coefficient L-S LIS x 100 RD-S 2 S-Smaller +Quartile Deviation by - Coufficient 2 Mean Deviation Non-Determination 1- the Corfficient MDX 100 Franked Differential Method (K)-1- Ellenation- N Standard Deviation SD() HD EDR DRX-X its Coefficient Relation in RD,SD, HD,SD. ORD-2SD HDSD 90-SD Standard Deviation of Natural Nes (-1) Method of Karl-Hearson (31)-Covariantes) Cor(ay) *Kagression lines Yon X Xony(x-2)-bmy(-7) (۲-۶) - byx (x-x) brybye (Regmessio Coefficient Rules of 1) Both by and byn must have some sigo Regression Both boys byn Can't exceed 1 Rule +unchinge Hean of Natural No's AL 2 uncharg Combined Standard Deviation VIANIE N di X-X Harmonic Hean No. of tened (Speed) Geometric Hean of Regression Regresion and must (2) bay by have fa dian Arith meltic Hean Sum (Sinkin Creometric HeanG AMYGNY HM Sam of Resi Proca GAH Harmonic Hean Combined Hornenic Mean Standand Deviation SD() = x²- Moments Mange in Scale bxy Change in origin OP 62(b) γκ 1-6[20²+(m²)+(m²) with repeatiten NCN-1 2x Density function: M-Mean Ha= Variance M3-4-336 using Frequency 1x1x-MODE /Rectangulan Hietani)(2) Symmetrical X-Z-median Not Symbal