Question

ICSE Mathematics for Class 9
6. The weights of 20 students of a class were as follows.
Weight (in kg) 40
45
46
48
Tota)
Number of students
4
2
6
5
3
20
Find the mean weight.
The money spent by 30 students during the tiffin hour were as follows.
Money spent (in Rs) 0 5 10 20 25 30 Total
5
2
Number of students
12
7
2
2.
30
Find the mean expenditure.
A​

Answer 1

Answer:

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