40. The scores of Geography test of 60 students of Zanaki secondary school were
recorded as follow:
CLASS
20-
25 30- 35- 40- 45-
INTEVAL
50-54
24
55- 60-
29
34
39 44 49
59 64
FREQUENC 7 10
2
65-
69
2
8
8
4
a) Prepare the frequency distribution table
b) Find the mode
c) Draw the cumulative frequency curve (ogive) and use it to estimate the
median​