Graphs
Graphs are pictures or figures that can help us understand amounts. These amounts are called data. It is also presentation of the data figuratively which has linear and logarithmic scales. It is a visual display of data that use to present frequency distribution so that the distribution shape can be easily determined. It shows percentages and proportions. Similarly, is a graphic organizer and represents tabular numeric data and/or functions. They are also used in making an easier to understand large quantities of data and the relationship between the different parts of the data. Therefore, it should have the appropriate graph forms for the appropriate amount.
Bar Graph
A bar graph is used in showing a relationship between groups. The two items that have to compared should not affect each other. The bar graphs are use in displaying data in a similar way to line graphs. It also uses vertical rectangular bar that levels off at the appropriate level. These, bar graphs are commonly use also in making comparison between the different variables and made them easy to see. They also shows clearly the trends in data, which means that they show on how one variable is affected as the other rises or falls. It clearly shows that given the one variable, the value of the other variable can easily be determined.
Knowing, the uses of these of the bar graphs, clearly it has been seen that the example above uses correct graph which is the bar graph. And it was the best way in presenting this data because it has the comparing two variables, and shows that as the one variables falls and raises it also affects the other variables. Also, the graph obviously support the data in proper way and the other way in presenting this data is to use the line graph.
Line Graph
Line graph also compares two variables wherein each variable is plotted along an axis. It has a vertical and horizontal axis to measure the trend of the data. Line graph is useful in several ways such as showing the specific values of such data, which means that in any given one variable the other can easily be determined. They show trends in the data clearly, which means that they visibly show how one variable is affected by the other, also enable the viewer to make predictions about the data which not currently been recorded.
In the example above, it also uses the proper graph which is the line graph because it shows the trends of the hourly minimum wage since the Oct. 1938 and up to Sept. 1997. Based on this graph also one can easily predict the upcoming years. This graph has definitely support the given data and has been interpreted properly.
Pie Graph
Pie graph or sometimes called the circle graph is a graph shaped like a pie which divides it into fractional parts. This is also simple means a display of percentages which are commonly used to compare different parts of the same whole.
The circle or the whole of the pie graph represents a 100%, wherein each portion within the circle stands for a part of that 100%. In this manner, it is possible and can be easily determine to see something which is divided among the different groups. Therefore, the parts of the graphs should be properly named so that it easy for the viewer to see what the parts were being presented.
The example above used the proper way of presenting the data wherein it can easily determine what the favorite flavor of the ice cream and least favorite that can be improve more. This is also the best way in presenting such kind of data.
Pictograph
Pictograph are graphs that has a simple drawings to depicts the quantities, it also use in making abstract comparisons which are more concrete, it uses the shadow that leaves details, and also it is also use for the enhancement to the young audience.
The example above shows the best graph to represent the date and uses an object which is related to the topic so that readers will easily determine the value of the given data based on the pictures.
Bibliography
Credit:ivythesis.typepad.com
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