- Information collected in the form of the numerical figures in a survey is known as data.
- When we represent this data in a figure it is called pictorial representation.
- The pictures that represent information are called
**Pictographs,****Bar-graphs**etc. - Pictograph is a visual presentation that uses symbols to represent data.
- The Bar-graph is the Graphical display of the data , using bars of different heights.
- The bars should be of equal width and should be shaded with pencil or colours.
- Both the pictograph and the bar-graph should have a tilte.

Examples

- The following table shows the number of students present in the first five days of the week.
- On Monday 120 students are present. On Wednesday also the same number of students are present, and on Monday and Wednesday the maximum number of students are present.
- On Thursday the number of students are present are 20 X 4 + 10 + 10 = 100 students, On Tuesday also the same number of students are present.
- On Friday the least number of students are present 20 X 4 + 5 + 5 = 90

- The following graph shows the number of vehicles on the road in thousands
- 1= thousands
- On Monday and Saturday the same number of vehicles are on the road that is 4,000, that is the least number of vehicles.
- On Thursday the maximum number of vehicles are on the road that is 32,500, and it is 2,500 more vehicles than the number of vehicles on Friday, which is a little bit more.
- On Thursday the number of vehicles are 32,500 and on Wednesday the number of vehicles are 22,500. Hence the difference is of 10,000 vehicles.
- The total number of vehicles on the road on all these days are 4,000 + 7,500 + 22,500 + 32,500 + 30,000 + 4,000 = 1,00,500 vehicles.

- The following data shows the number of admission in a college in hundreds –
- In the month of February and March, the number of admissions are same that is 2,000.
- In the month of April, the number of admissions are 3,750.
- In the month of May the number of admissions are 2,750 which is 1,000 less than the number of admissions in April.
- In January there are maximum number of admissions that is 4,600.