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SAI International School
                                                       CLASS - X

               Mathematics
               CHAPTER-14: Statistics

               HOME ASSIGNMENT-3


               SUBTOPIC :Median Of Grouped Data


               1.The following data have been arranged in ascending order:
               24, 27, 28, 31, 34, x, 37, 40, 42, 45
               If the median of the data is 35, find ''x'' in the above data.


               Ans.36


               2.The median of the following observations arranged in ascending order is 24. Find x.
               11, 12, 14, 18, x + 2, x + 4, 30, 32, 35, 41

               Ans.x=21


               3. Find the median of the following data.
               Marks obtained       20       29        28        42        19         35        51
               No. Of students      3        4         5         7         9          2         3


               Ans.Median=28

               4.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


               Ans.Median=5

               5. Find the median class and hence the median for the given distribution.

               Marks                     0-10  10-20  20-30  30-40  40-50  50-60
               Number of Students        8     15      25      32      15      5


               Ans:30-40, 30.625

               6. Find the values of p and q from the following data, given
                                 median = 33
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