1. Draw a histogram and a frequency polygon for the following data:
Class: 0-10 10-20 20-30 30-40 40-50 50-60 60-70
Frequency: 6 8 10 15 13 8 5
2. Represent the data given below with a suitable diagram.
|
Items
|
Value in Rs. in1997-98
|
Value in Rs. in 1998-99
|
|
Raw material
|
150
|
200
|
|
Labour
|
100
|
200
|
|
Power
|
75
|
150
|
|
Advertisemen t
|
25
|
100
|
|
Other charges
|
50
|
200
|
|
Total cost of manufacturing
|
400
|
900
|