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**The marks in a subject for 12 students are as follows:**

**31, 37, 35, 38, 42, 23, 17, 18, 35, 25, 35, 29.**

**For the given data, what is the mean?**

Answer:

Given data is 31,37, 35, 38, 42, 23,17,18, 35, 25, 35, 29.

Rearranging the given data in ascending order,

17,18, 23, 25, 29, 31,35, 35, 35, 37, 38, 42

\text { Mean= } \frac{17+18+23+25+29+31+35+35 +35+37+38+42}{12} \\ =\frac{365}{12}=30.41

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