Q632
Calculate the mean of marks of 46 students from the following table. Marks (X) Frequency 9 1 10 2 11 3 12 4 13 5 14 6 15 7 16 8 17 9 18 10 Total 55
Calculate the mean of marks of 46 students from the following table.
| Marks (X) | Frequency |
| 9 | 1 |
| 10 | 2 |
| 11 | 3 |
| 12 | 4 |
| 13 | 5 |
| 14 | 6 |
| 15 | 7 |
| 16 | 8 |
| 17 | 9 |
| 18 | 10 |
| Total | 55 |
A.
12.01
B.
15
AnswerC.
14.56
D.
None of these
Answer: Option B
Solution
Answer: Option B
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