1. The table below shows marks scored by 42 students in a test. 35
49
69
57
58
48
75
40
46
86
47
81
63
67
56
80
36
62
49
46
26
41
58
68
73
65
59
72
64
70
64
54
74
33
51 I
73
25
41
61
56
57
28
a) Using the equal class intervals of 10 and starting with the mark of 25 make a
frequency distribution table (5 marks)
b) Construct the histogram and frequency polygon on the same axis (5 marks)​