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Class 10 Mathematics Medium Mcq English Medium

In this case, for grouped data, the class mark of a class interval [10,20] is

Question
In this case, for grouped data, the class mark of a class interval [10,20] is
20
15
30
10
Answer
15
Detailed Explanation
Class mark = (lower limit + upper limit)/2 = 15. — Examisthan.com
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