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Use Graph paper for this question. A s...

Use Graph paper for this question.
A survey regarding height ( in cm) of 60 boys belonging to Class 10 of a school was conducted. The following data was recorded.
Taking 2 cm = height of 10 cm along one axis and 2 cm = 10 boys along the other axis draw an ogive of the above distribution. Use the graph to estimate the following :
(iii) if above 158 cm is considered as the tall boys of the class. Find the number of boys in the class who are tall.

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The correct Answer is:
146 cm
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