One of the article published in a journal describes an experiment which tested the yield strength of circular tubes in the construction industries. The first yields (in kN) are recorded as follows:

96, 96, 102, 102, 102, 104, 104, 108, 118, 126, 126, 128, 128, 140, 145, 156, 160, 160, 164, 170

(i) Construct a frequency distribution consist of 10 classes with 95 as the lower limit for the first class. (7 Marks)

(ii) Draw a histogram based on the frequency distribution obtained in (I). (3 Marks)