A survey regarding height (in cm) of 60 boys belonging to Class 10

Statistics (10)

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:

1. the median
2. lower Quartile
3. if above 158 cm is considered as the tall boys of the class. Find the number of boys in the class who are tall.

Answer