An organisation donates clothes to an orphanage every month. According to past record, the number of clothes donated by it are as follows :

6, 7, 21, 16, 18, 29, 6, 5, 4, 21, 18, 5, 5, 20, 29, 7, 6, 4, 21, 7, 18, 21, 20, 14, 7, 1, 8

(a) Prepare a grouped frequency distribution table and hence draw a histogram.

(b) What value is depicted by the organisation ?​