1
Question
The following distribution gives the daily income of 50 workers of a factory:
Daily income (in Rs)
100-120
120-140
140-160
160-180
180-200
Number of workers
12
14
8
6
10
Write the above distribution as less than type cumulative frequency distribution.
| Daily income (in Rs) | 100-120 | 120-140 | 140-160 | 160-180 | 180-200 |
| Number of workers | 12 | 14 | 8 | 6 | 10 |
Write the above distribution as less than type cumulative frequency distribution.
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Solution
Daily income (in Rs.)
No. of workers (f)
Cumulative frequency (c.f)
Less than 120
12
12
Less than 140
14
26
Less than 160
8
34
Less than 180
6
40
Less than 200
10
50
|
Daily income (in Rs.) |
No. of workers (f) |
Cumulative frequency (c.f) |
|
Less than 120 |
12 |
12 |
|
Less than 140 |
14 |
26 |
|
Less than 160 |
8 |
34 |
|
Less than 180 |
6 |
40 |
|
Less than 200 |
10 |
50 |
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