Question

14. Calculate Arithmetic Mean:

Marks(less than), no.of students
10 25
20 40
30 60
40 76
50 95
60 125
70 190
80 240

(Ans: Mean = 49.58)​

Answer 1

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Answer:

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Answer 2

Answer:

you know the answer then why do u ask

Explanation:

pls do mark me as the brainliest