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  lOMoAR cPSD| 58583460   CHAP3 AND CHAP 4  Br  : y =  + Baxy (regression  CHAP 3 :  QMF QM :  Normal distribution  -  M4B :  equation :  y = 2 x + 3  -  . 
>x = 1 >y = 5 Khi tang 1vi>x = 2 - y = 7 thiy tang 2 vi  -  -  -  > x = 3 > y  -  -  = 9  Stat  S  : Hypothesis testing :  Salary = By x grade    y  = ax + b  => Salary  $0  =  7 x grade + 10 M  .  +  rade = 0 - 10M  :  radg = 1 + 10M +$07 .  Ho  B  07    
Sto : nulhypothesothesis SHe B :+  :  0 7 =   ..  ST    : B dont  (2)      lOMoAR cPSD| 58583460   -/  in      lOMoAR cPSD| 58583460   S :B07 -  /W  (3)      lOMoAR cPSD| 58583460           lOMoAR cPSD| 58583460           lOMoAR cPSD| 58583460   B  >  = [14y+ Tiy  = 150, 000 30x58 300x95, 700  - -  -  .    IKE  Th  105 000 30  3002  -  ,  , 0002 -  x 58 .  3 0 0000158  -> = -  .  - y Bi  1 0000158)x58 =  95  300 =  ,700  0    .  -  -  -  .      lOMoAR cPSD| 58583460   SZit > 2  92114  -  = 95700 .   /250,500 = 945855  = .    SE(X)  5851105 =S, IxE  ?= 94  , 000, 000  .    TIIt - Th  30x105 000000 30258 30%  ,  -  ,  SE(X)  > =? SE(B) =?  -  Traditional  Ecometric (1) E(Mt)  -  :  = 0  (2) Var (Mt) 82  =  (constant)  (3) Covariance (Mi ; Vi) = 0  (4) (ov(ui = xi) = 0 
* Thoai man 4 din Kien >B L U E (Chep dinnnghia  -  .  .  .    + Best  OLS : ordinary  least square    +  Linear  + Unbased    + Estimator  (B ,  :  = X ; B)  + Step 2  Dang Hypothesis  Testing :    -  -     lOMoAR cPSD| 58583460   + Step 1 : 
State the hypothesis· Ho:B = 0 (4(-X      lOMoAR cPSD| 58583460     (xacinh)  H : B + 0      lOMoAR cPSD| 58583460           lOMoAR cPSD| 58583460   new  P-value  p-value < bench-mark  -  :  value (5%)  ↳    reject null hypothesis  T  B 1 ; + B < 1(6)  ·  = 62 ; < = 5%; Ho :  =  : 
> Test Statistic = 101470548-1  68 ~ +5%:60  -  = 2  .  .  .  T-test - rejection zone  -      lOMoAR cPSD| 58583460   5%    >- Reject  Nullhypothesis    >Prove  alternative hypothesis  -  B7 1 
> TheSecurity is more risky than market.  -  Ho B  :  = 0  He B  :  + 0      lOMoAR cPSD| 58583460   ente203  · .      lOMoAR cPSD| 58583460                                           -  5% i   n  5 -  +2 %  .  1 .  null    hypothesis 
>In other words that the returns on its shares are completely unrelated to  -  movements in the market.  CHAPTER 4 :  Multiple linear regression  y B  = 
+ B2x2t + Bxt +... + Brint + Mt      lOMoAR cPSD| 58583460   : CT [B]  1 XY = (xX)     -  x      lOMoAR cPSD| 58583460           lOMoAR cPSD| 58583460   > T-Statistic  4 6 68 = 436 1 - 397 2 x 144  =    -  .  .  -  .      lOMoAR cPSD| 58583460     397 2  2  F(2 ; 140)  .     lOMoAR cPSD| 58583460     -3.07  >6 68t rejection Zone    -  .      lOMoAR cPSD| 58583460         


