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Please read the following carefully and answer the questions:

The marks of 7 students in a unit test are given below:

9, 10, 7, 6, 9, 3, 5

Mean of the data is:

Solution

Correct Option: 3

Sum = 9+10+7+6+9+3+5=499+10+7+6+9+3+5=49. Number of terms = 7. Mean = 497=7\frac{49}{7}=7.

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