Marks obtained by 30 students in History of a Test Examination 2021 of some school are as follows: 34 36 10 2 31 32 22 43 48 36 48 22 39 26 34 39 10 17 47 38 40 51 35 52 41 32 30 35 53 23 Construct a...

Marks obtained by 30 students in History of a Test Examination 2021 of some school are as follows:

       34   36      10   2        31   32   22   43   48   36

       48   22      39   26      34   39   10   17   47   38

       40   51      35   52      41   32   30   35   53   23

       Construct a frequency table with class intervals 10–19, 20–29 etc. Calculate the median and made from the frequency distribution.