Q957
Calculate mean from the following data. Age (X) Frequency (f) 17 2 18 1 19 1 20 2 22 3 23 1
Calculate mean from the following data.
| Age (X) | Frequency (f) |
| 17 | 2 |
| 18 | 1 |
| 19 | 1 |
| 20 | 2 |
| 22 | 3 |
| 23 | 1 |
A.
15
B.
30
C.
20
AnswerD.
40
Answer: Option C
Solution
Answer: Option C
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