Statistics

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  • Created by: cd0
  • Created 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)
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Calculate E(2X-4)
2E(X) - 4
4 of 8
if Q3-Q2 is larger than Q2-Q1 what is the skew
Positive
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If Q2-Q1 is 5.6 and Q3-Q2 is 4.5, what is the skew'?
Negative
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How to calculate Variance
(ΣFX^2)/ΣX - (ΣFX)^2/ΣX OR (ΣX^2)/n - (ΣX)^2/n
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How to calculate standard deviation (σ)
√Variance
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Other cards in this set

Card 2

Front

How to calculate Var(X)

Back

pixi^2 - (pixi)^2

Card 3

Front

Calculate Var(2X+3)

Back

Preview of the front of card 3

Card 4

Front

Calculate E(2X-4)

Back

Preview of the front of card 4

Card 5

Front

if Q3-Q2 is larger than Q2-Q1 what is the skew

Back

Preview of the front of card 5
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