c) Present the following data in the form of histogram:
Weekly wages 10-15 15-20 20-25 25-30 30-35 35-40 40-45
No. of workers 7 10 27 15 12 12 8
|
Weekly Wages (Rs) |
No. of Workers |
Adjustment Factor = Class Interval of a concerned class/ Lowest class Interval |
Frequency Density |
|
10-15 |
7 |
5/5 =1 |
7/1=7 |
|
15-20 |
10 |
5/5 =1 |
10/1=10 |
|
20-25 |
27 |
5/5 =1 |
27/1=27 |
|
25-30 |
15 |
5/5 =1 |
15/1=15 |
|
30-40 |
12 |
10/5 =2 |
12/2=6 |
|
40-60 |
12 |
20/5=4 |
12/4=3 |
|
60-80 |
8 |
20/5=4 |
8/4=2 |
