Statistics 0.0 / 5 ? StatisticsStatisticsASEdexcel Created by: cd0Created on: 06-12-16 19:51 How to calculate E(X) pixi 1 of 8 How to calculate Var(X) pixi^2 - (pixi)^2 2 of 8 Calculate Var(2X+3) 4Var(X) 3 of 8 Calculate E(2X-4) 2E(X) - 4 4 of 8 if Q3-Q2 is larger than Q2-Q1 what is the skew Positive 5 of 8 If Q2-Q1 is 5.6 and Q3-Q2 is 4.5, what is the skew'? Negative 6 of 8 How to calculate Variance (ΣFX^2)/ΣX - (ΣFX)^2/ΣX OR (ΣX^2)/n - (ΣX)^2/n 7 of 8 How to calculate standard deviation (σ) √Variance 8 of 8
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