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Arithmetic Mean - Class IX
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Multiple Choice
What is the value of mean for the following data:
| Marks | No. of Student |
|---|---|
| $5-14$ | $10$ |
| $15-24$ | $18$ |
| $25-34$ | $32$ |
| $35-44$ | $26$ |
| $45-54$ | $14$ |
| $55-64$ | $10$ |
- $30$
- $29$
- $33.68$
- $34.21$