Prerequisites cam

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    1 13 1

    ,

    3 2 66 1 1

    2 1 8

    .

    2x+ 1y = 2

    1x+ 2y = 2.

    7x1 x2 x3 = 0

    10x1 2x2+x3 = 8

    6x1+ 3x2 2x3 = 7

    Y

    C

    I

    G

    a, b

    Y = C+ I+ G

    C = a+ bY.

    I

    G

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    2 2

    5 12 4

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    X

    F(x) =

    x2

    0 x 10

    x 1.

    X

    Yi = +Xi+i, i= 1, 2, ..., 12

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    =12

    i=1

    (XiX)Yi

    12

    i=1

    (XiX)2 = Y X

    =

    = (XX)1XY

    (121)

    Y =(122)

    X

    (21)

    +(121)

    Yt = 0+1X1t+2X2t+t

    Y

    X1

    X2

    y2t = 386, x21t = 2100, x

    22t = 1272, x1tx2t = 1521

    x1tyt = 859, x2tyt= 682, X1= 83, X2= 67, Y = 36.

    t= 1 17

    H0: 1= 0.2 HA: 1=0.2

    H0: 2= 0 HA: 2> 0

    R2

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    S1 = {2, 4, 6}, S2= {7, 2, 6}, S3 = {4, 2, 6}

    S4 = {2, 4}

    S1 = S2

    S1 = R 5 S2 3 /S2 4 /S4 S4 R S1 S4 S2

    S3 {1, 2}

    y = 5 + 3x

    {x : 1 x 4}

    x3/x3

    (x1/2 x1/3)/x2/3

    3x1< 7x+2 2x+5