Graphing Statistics & Data
A pictogram is a pictorical presentation of data. In this method the variable is presented by a picture which should be self-explanatory. The objetive of using this method to present a data is to creat an immediate usual effect on the espectators. Due to this fact, pictograms are commonly used in advertisements, exhibitions and seminors.
The disadvantages of this method are that the accuracy of the data is lost and some times a full picture can not be drawn due to fractional values.
The pictograph shows the number of varieties of apples stored at a supermarket: