Question: please help this probability and statistics questions ( U=1) 36 + U 4? 48 49 50 51 55 59 62 65 69 71 72 '36

please help this probability and statistics questions (U=1)

36 + U 4? 48 49 50 51 55 59 62 65 69 71 72 '36 78 79 80 80 90 - U (a) Supfnse a 7-CLASS grouped 'equency distribution is to be constructed for the above data. Use the smallest data value as the lower limit of the ISI class. (i) Find the smallest data value and the largest data value. (2 marks) (ii) Calculate the class width. (2 marks) (iii) Find the lower class limit of the 2'Id class. (1 mark) (iv) Find the midpoint of the 1st class. ( 1 mark) (v) Find the upper class boundary of the 3rd class. (1 mark) (vi) Find the cumulative frequency up to and including the 3\"1 class. (1 mark)

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