Math, asked by lavanyaradha, 10 months ago

Find the mean marks of students from the following
cumulative frequency distribution :
Number of students
80
Marks
0 and above
10 and above
20 and above
30 and above
40 and above
50 and above
60 and above
70 and above
80 and above
90 and above
100 and above

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Answers

Answered by rajeshkumardcc78855

2

Answer:

number of students is 550

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