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Unformatted text preview: Y E Y Y Y ( ) ( ) . . . = =  = 2 2 Expected value (the mean) or sampling distribution of the mean: E Y ( ) . . . = the correlation between X and Y: Corr X Y Cov X Y ( , ) ( , ) ? = E(X+Y)=E(X)+. .. Var(X+Y)=Var(X)+Var(Y)+. .. 2. Page 60 q. 2.10 3. Page 60 q. 2.11 4. Page 60 q. 2.12 5. Page 60 q. 2.14 6. Page 61 q. 2.15 7. Page 100 q. 3.6 8. Page 100 q. 3.8 9. Page 101 q. 3.10 10. Page 101 q. 3.12 11. Page 101 q. 3.13 1 12. Explain the meaning of the following concepts Expected value of a random variable The Central Limit Theorem The Law of Large Numbers Covariance Correlation coefficient Pvalue (or significance probability) Standardizing a variable Standard normal distribution 2...
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 Winter '09
 Ogwang
 Econometrics

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