Question

Calculate A. M for the following data
Marks Obtained 4 8 12 16 20
No. of Students 6 12 18 15 9​

Answer 1

Answer:

Mean deviation about their median M is given by ... Example 4 Calculate variance of the following data : ... 8 - 12. 6. 12 - 16. 4. 16 - 20. 7. Mean ( )x = 3 6 6 10 4 14 7 18.

Answer 2

Answer:

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