Page 177 - DECO504_STATISTICAL_METHODS_IN_ECONOMICS_HINDI
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bdkbZ—10% lglaca/ % fo{ksi&fp=k fof/] dkyZ fi;lZu dk lglaca/ xq.kkad




            x.kuk dhft,μ                                                                              uksV
            o"kZ             :  1988  1989  1990  1991  1992  1993  1994  1995  1996  1997
            vk;              :  1,200  1,220  1,260  1,270  1,270  1,240  1,280  1,290  1,320  1,300
            lwpdkad :       115 118   119   119   120   120   124   123   124   125
            gy (Solution):


               vk;      A  = 1,270             lwpdkad    A  = 120
                                                            y
                         x
                X     d  = X – 1,270   d x 2     Y       d  = Y – 120    d y 2    d d
                       x
                                                                                   x y
                                                          y
              1,200        – 70      4,900      115          – 5        25         350
              1,220        – 50      2,500      118          – 2         4         100
              1,260        – 10        100      119          – 1         1          10
              1,270          0           0      119          – 1          1          0
              1,270          0           0      120          0            0          0
              1,240        – 30        900      120          0           0           0
              1,280         10         100      124          4          16          40
              1,290         20         400      123          3           9          60
              1,320         50       2,500      124          4          16         200
              1,300         30         900      125          5          25         150

               —       – 160 + 110    12,300     —       – 9 + 16 = 7    97       910
                          = – 50

                                                         ( Σ   Σd )(  d )
                                                 Σdd −      x    y
                                                      y
                                                    x
            lw=kμ                      r =                   N
                                            R      Σd U R          ( Σd U
                                                                      y |
                                                            |
                                                                        2
                                                        2
                                                                       )
                                            S Σd −  (  N x )  V S Σd −  N  V
                                                               2
                                               2
                                            |
                                                         | |
                                                                         |
                                            T
                                               x
                                                                         W
                                                               y
                                                         W T
                                                         − (  50 7)
                                                             )(
                                                   910 −
                                         =                 10
                                            R          50 U R        7 U
                                                                      2
                                                          2
                                            S 12 300 −  − (  )  V S 97 −  ( )  V
                                               ,
                                            T          10   W T      10  W
                                                  910 +  35
                                         =
                                                               .
                                            12 300 − (  ,  250 97 −  )(  4 9)
                                               945
                                         =
                                                      .
                                              ,
                                            12 050 × 92 1
                                              945
                                         =
                                            15 09 805
                                                 ,
                                              ,
                                            945
                                         =         = 0.897
                                               .
                                           ,
                                          1053 47
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