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bdkbZ—7% ekè; fopyu ,oa izeki fopyu




                               eè;dk (M) = Size of G F H N+ 1I J   th  item =  10 + 1   = 5.5  item   uksV
                                                   2 K
                                                                         th
                                                                 2
                                                    th
                                                                      th
                                          Value of 5 item  +  Value of 6  item
                                         =
                                                           2
                                          46 +  50  96
                                         =        =    48
                                             2      2
                  fujh{k.k }kjk cgqyd ewY; Z = 57.

            ekè; fopyu dh y?kq jhfr }kjk x.kukμ
              S. No.    Size     X  = 45 ls ifjdyu  M = 48 ls ifjdyu    Z = 57 ls ifjdyu

                                                                         20
                1.       20      20  O               20  O               23 O
                                                                                B P
                2.       23      23 P  ΣX  = 105     23  P                    ΣX  = 201
                                                                                 B
                                         B
                3.       30      30  P P  N  = 4     30  P  ΣX = 151     30   N  = 6
                                                        P
                                                             B
                                        B
                4.       32      32 Q                46 Q  N  = 5        32  P
                                                     32
                                                            B
                                                                            Q
                5.       46      46      A O                             46  P
                                                     50
                6.       50      50   ΣX  = 345      57 O                50
                7.       57      57  P  N  = 6       57 P  SX  = 299     57
                                        A
                                                             A
                8.       57      57  P                     N  = 5        57
                                                            A
                                 57
                9.       57      78 P                57  P               57
                                                        Q
               10.       78         Q                78  P               78  O P  ΣX  = 78
                                                                                 A
                                                                            Q P P   N  = 1
                                                                                 B
              N = 10  ∑X = 450
            lekUrj ekè; ls ekè; fopyu (Mean Deviation from Mean)
                           ∑     − X  ∑  − X  (  −N  N ) X  345 −  105 −  ( 6 −  4 45
                                                                       )
                      δ  =     A      B     A    B    =
                       X               N                        10
                           345 −  105 −  ( 2 ×  45)  150
                      δ  =                    =     = 15
                       X           10           10
                           δ    15
                  C of δ  =  X  =   = 0.333
                       X    X   45
            eè;dk ls ekè; fopyu
                                                                       )
                           ∑     − X  ∑  − X  (  −N  N ) M  299 −  151 −  5 − (  5 48  299 −  151
                       δ  =    A      B N   A    B    =         10          =   10
                        M
                           148
                       δ  =  10   = 14.8
                        M
                           δ     14.8
                             M
                   C of δ  =  M  =  48   = 0.308
                        M
            cgqyd }kjk ekè; fopyu
                           ∑     − X  ∑  − X  (  −N  N ) Z  − 78  − 201  (1 6 57
                                                                  −
                                                                     )
                       δ  =    A      B     A    B   =
                        Z              N                      10
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