Question

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plz answer the above attachment..
Class 9th

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Answer 1

Step-by-step explanation:

Mean = ∑fx / ∑f

Mean = (12+14+16+18+20) / (2+3+6+5+6)

Mean = 80 / 22

Mean = 3.63

Answer 2

Answer:

Mean = ∑fx / ∑f

Mean = (12+14+16+18+20) / (2+3+6+5+6)

Mean = 80 / 22

Mean = 3.63

Step-by-step explanation: