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in Mathematics by (49.9k points)
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The weight of 50 workers is given below:

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

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

(i) the upper and lower quartiles. 

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

1 Answer

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by (48.6k points)
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Best answer

(i) 

(ii) No. of over weight workers = 50 - 39 = 11

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