Question

Read the bar graph given in Figure and answer the following questions:

Construct a histogram for the following data: | Monthly School fee (in ₹) | 30 – 60 | 60 – 90 | 90 – 120 | 120 – 150 | 150 – 180 | 180 – 210 | 210 – 240 | |---|---|---|---|---|---|---|---| | No of Schools | 5 | 12 | 14 | 18 | 10 | 9 | 4 |

The following table gives the marks scored by 100 students in an entrance examination. | Mark | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 | 70-80 | |------|------|-------|-------|-------|-------|-------|-------|-------| | No. of Students (Frequency): | 4 | 10 | 16 | 22 | 20 | 18 | 8 | 2 | Represent this data in the form of a histogram.

A teacher is a person whose professional activity involves planning, organizing, and conducting group activities to develop student's knowledge, skills, and attitudes as stipulated by educational programs. Teachers may work with students as a whole class, in small groups or one-to-one, inside or outside regular classrooms. In this indicator, teachers are compared by their average age and work experience measured in years. For the same in 2015, the following distribution of ages (in years) of primary school teachers in a district was collected to evaluate the teacher on the above-mentioned criterion.