Question

The following is a frequency distribution:
Class
0-10
10-20
20-30
30-40
40-50
50-60
60-70
70-80
Frequency
5
10
20
25
15
12
9
4
СЕ
5
15
35
60
75
87
96
100
Draw an ogive and locate the upper quartile
(A)
75
(B).
45
(C) 65
(D)
55​

Answer 1

Answer:

-10

10-20

20-30

30-40

40-50

50-60

60-70

70-80

Answer 2

Step-by-step explanation:

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