Question

2 Construct histogram, frequency polygon and frequency curve from the following data:
20-30
30-40
40-50
50-60
60-70
10-20
0-10
70-80
Marks Obtained
20
20
.22
16
15
8
10
5
Number of Students
3. Make a frequency polygon and histogram using the given data:
20-30
30-40
40-50
10-20
50-60
60-70
Marks Obtained
5
12
15
22
14
4
Number of Students​

Answer 1

Answer:

what please write in sequence

Answer 2

Explanation:

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