Question

The mean of the following frequency distribution is 57.6 and the sum of the frequencies is 50. Compute the missing frequencies 'a' and 'b'.

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| Class | Frequency. |
-------------------—————————————-
| 0-20 | 7 |
| 20-40 | a |
| 40-60 | 12 |
| 60-80 | b |
| 80-100 | 8 |
| 100-120 | 5 |
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| Total | 50 |
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Took some time pls write the correct answer and the best answer will be awarded brainlisest answer

Answer 1

I I think that the missing frequency is 50to57.6

Answer 2

Answer:

The mean of the following distribution is 57.6 and the sum of its frequencies is 50, find the missing frequencies f1 and f2. Class : 0–20 20–40 40–60 60–80 80–100 100–120 Frequency: 7 f1 12 f2 8 5 .