The following data is of the ages(in years) of 20 students of class VI.Arrange the data in a table using tally marks.
How many students are 10 years of age?

The following table shows the ages of the students during a year are : Find the mode.

The following table shows the favourite sports of 250 students of a school. Represent the data by a bar graph

A class has 175 students. The following table shows the number of students studying one or more of the following subjects in this case. How many students are enrolled in Mathematics alone, Physics alone and Chemistry alone? Are there students who have not offered any one of these subjects?

Use the bar graph to answer the following questions. How many students have dog as a pet?

In a mathematics test following marks were obtained by 40 students.Arrange these marks in a table using tally marks. 8 1 3 7 6 5 5 4 4 2 4 9 5 3 7 1 6 5 2 7 7 3 8 4 2 8 3 5 8 6 7 4 5 6How many students obtained marks below 4 ?

In a mathematics test following marks were obtained by 40 students.Arrange these marks in a table using tally marks. 8 1 3 7 6 5 5 4 4 2 4 9 5 3 7 1 6 5 2 7 7 3 8 4 2 8 3 5 8 6 7 4 5 6 9 6 4 4 6 6 Find how many students obtained marks equal to or more than 7?

Following data gives total marks (out of 600) obtained by six students of a particular class. Represent the data on a bar graph.

The following graph is another historam (Fig.) From the bars of this histogram, we can answer the following questions : (i) How many teachers are of age 45 years or more but less than 50 years? (ii) How many teachers are of age less than 35 years?

The following table gives the number of students in IX class in a school during the academic years 2012-2013 to 2016-17 Represent the above data by a bar graph.