Question: Cumulative frequency in Maple?

Hello I have this assignment. I will translate it (because it is not english)

This is the assignment: [IMG][/IMG]

(if u cant click on the above link, then u can see it here


So it says:


In an examination of young pigs' birth weight 853 newborn pigs were weighted. The weighting is shown in the table down below. 


[0,5-0,7] [0,7-0,9] [0,9-1,1] [1,1-1,3] [1,3-1,5] [1,5-1,7] [1,7-1,9] [1,9-2,1] [2,1-2,3] -> WEIGHT in kg

[26]            [43]       [102]       [145]        [171]      [196]     [119]       [42]          [9]      --> number of pigs


Draw a cumulative frequency curve of the weighting and determine the kvartils.


SO I usually do this in Maple, but this time I did a matrix but nothing happened.. I dont know how I should draw this curve? Help please. 




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