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Using class marks with frequencies to compute the mean is the:
ADirect method
BStep method
CAssumed method
DMedian method
Answer & Solution
Correct answer: A. Direct method
1. Multiply each class mark by its frequency.
2. Divide the total by the sum of frequencies.
3. That is the direct method.
_Source: NCERT Class 10 Mathematics, Chapter 14, Statistics._
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