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Less than 50                          32
                       Less than 52                          35


               10: Obtain the median for the following frequency distribution.
               X         1        2        3        4         5        6        7        8         9
               Y         8        10       11       16        20       25       15       9         6
               11 Find the median of the following grouped frequency distribution

               Class Interval   Frequency
                    0 - 4           4
                    4 - 8           3

                   8 - 12           5
                   12 - 16          6

                   16 - 20          7

               12.Calculate the median of the following frequency distribution:
                Weekly wages  Number of
                    (in Rs)      workers

                    60 - 69         5
                    70 -79         15
                    80 - 89        20

                    90 - 99        30
                   100 - 109       20

                   110 - 119        8


               13.Calculate the median from the following data:
                Mid value  Frequency

                   115          6
                   125         25
                   135         48

                   145         72
                   155        116

                   165         60
                   175         38

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