ICSE Class X Math 2015 Solved Paper

The weight of 50 workers is given below :

Weight in Kg	No. Workers
50-60	4
60-70	7
70-80	11
80-90	14
90-100	6
100-110	5
110-120	3

Draw an ogive of the given distribution using a graph sheet. Take 2‌cm=10‌kg on one axis and 2‌cm=5 workers along the other axis. Use a graph to estimate the following :

Question : 42

Total: 52

if weighing 95‌kg and above is considered overweight find the number of workers who are overweight.

Solution:

No. of over weight workers
=50−39=11‌. ‌

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