A picture graph is a visual method of displaying information that uses images or symbols to represent data. It includes a key or scale that indicates the value of each picture.Continue Reading
One benefit of a picture graph is that it makes it easier for people to understand information. Data presented verbally is usually clarified when a picture graph is utilized.
Picture graphs, however, often do not display data as accurately as other types of graphs. For example, in a picture graph illustrating the number of cars a dealership sells each month, an image of one car represents 10 cars sold. If the dealership sells 12 cars, the picture graph shows an image of one car along with a small portion of another car. This makes it difficult for the person viewing the graph to know exactly how many cars the dealership sold.Learn more about Data Graphs
A horizontal bar graph is a visual representation of data that include a series of horizontal bars representing numerical amounts. Variations in the lengths of the bars allows for quick comparisons.Full Answer >
The main difference between a histogram and a bar graph is that a histogram displays quantitative data while a bar graph displays qualitative data. Quantitative data is numerical and can be measured by counting. Qualitative data refers to a trait or characteristic.Full Answer >
A bar graph is a way to visually represent a set of data. Bar graphs are particularly useful for data that is easy to categorize. The category is traditionally placed on the x-axis, and the values are put on the y-axis.Full Answer >
A chart or a graph is a pictorial representation of data. Charts and graphs are used to display detailed information and relationships between quantitative data. Examples of charts include bar graphs, pie charts, histograms and time-series graphs.Full Answer >