. The mean of the following frequency distribution
is 62.8 and the sum of all the frequencies is 50. Compute the missing frequency f1 and f2
| Class | 0 - 20 | 20 - 40 | .40 - 60 | 60 - 80 | 80 - 100 | 100 - 120 |
| Frequency | 5 | f1 | 10 | f2 | 7 | 8 |
A: 5, 8
B: 6, 12
C: 8, 11
D: 8, 12
Best Answer
Explanation:
The mean of the data of frequencies = 62.8
Sum of frequencies = 50
Making a table for mid values and frequencies,
Finding the required values,
From the given,
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