The following set of data represents the ages of the women who won the Academy Award for Best Actress from 1980 - 2003: 31 74 33 49 38 61 21 41 26 80 42 29
33 35 45 49 39 34 26 25 33 35 35 28

Make frequency table using # of classes as per the following criteria:

i) if you are born in Jan, Feb, Mar: No of classes = 5
ii) if you are born in Apr, May, Jun: No of classes = 6