Question

Find the mean marks of the students from the following frequency distribution using assumed-mean method: 0−10 10 10−20 12 20−30 9 30−40 15 40−50 6 50−60 10 60−70 7 70−80 16 80−90 10 90−100 5

Answer 1

Answer:

47.8

Step-by-step explanation:

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