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CBSE Class 10 Maths Basic Mean of Grouped Data: Direct Method Competency Based Questions

Topic-wise competency based questions from Statistics. Attempt first, then open the answer and solution.

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Question 1MCQ · 1 mark

Statistics · Mean of Grouped Data: Direct Method

Journey times are grouped as $0$ – $10$ , $10$ – $20$ , $20$ – $30$ minutes with frequencies $2, 5, 3$ . Using class midpoints, what is the estimated mean?

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