A Class 10 teacher in Pune recorded the ages (in completed years) of 60 children attending a science fair, grouped into 5-9, 10-14, 15-19, 20-24 with frequencies 8, 22, 18, 12. First convert the modal class to its exclusive (continuous) boundaries, then find the lower boundary l of the modal class.

Question

Accepted Answer

9.5. Modal class is 10-14 (f=22). Continuous boundaries subtract/add 0.5: 9.5-14.5. So l = 9.5.

A Class 10 teacher in Pune recorded the ages (in completed years) of 60 children attending a science fair, grouped into 5-9, 10-14, 15-19, 20-24 with frequencies 8, 22, 18, 12.
First convert the modal class to its exclusive (continuous) boundaries, then find the lower boundary l of the modal class.

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 10 Mode of Grouped Data practice

A Class 10 teacher in Pune recorded the ages (in completed years) of 60 children attending a science fair, grouped into 5-9, 10-14, 15-19, 20-24 with frequencies 8, 22, 18, 12.First convert the modal class to its exclusive (continuous) boundaries, then find the lower boundary l of the modal class.

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 10 Mode of Grouped Data practice

A Class 10 teacher in Pune recorded the ages (in completed years) of 60 children attending a science fair, grouped into 5-9, 10-14, 15-19, 20-24 with frequencies 8, 22, 18, 12.
First convert the modal class to its exclusive (continuous) boundaries, then find the lower boundary l of the modal class.