Calculate mean of the following series:
Marks
More
than 10
More
than 20
More
than 30
More
than 40
More
than 50
More
than 60
56
No. Of
Student
48
32
19
15
9
Answers
Answered by
0
Answer:
It's 150
Plz mark as brainliest .....
Answered by
17
answer is 150...........
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