The following are the marks in Maths and Science of five students in class VII. Present this data in the form of a double bar graph.

Following are the marks obtained by 50 students in a unit test, which is administered for 10 marks. Find the mode of the data.

The following table shows the total power shortage percentage in India from 1991-1997. Show the data in the form of a Bar graph taking shortage percentage for the years on the Y-axi and the years on X-axis.

The following table shows the total power shortage percentage in India from 1991-1997. Show the data in the form of a Bar graph taking shortage percentage for the years on the Y-axis and the years on the X-axis. If shortage percentage of power increases year by year, how will it affect on human life ? Explain.

Which of the following are primary and secondary data? Height of students in your class recorded by physical education teacher.

A class teacher has the following attendance record of 40 students of a class of for the whole term . Find the mean number of days a student was present out of 56 days in the term . {:("Number of days","Number of students"),(35-38,1),(38-41,3),(41-44,4),(44-47,4),(47-50,7),(50-53,10),(53-56,11):}

Form a group with four of five students in your class. Discuss the reasons. Why does farmers rear cattle?

Construct a histogram for the marks obtained by 600 students in the VII class annual examinations.