Bar/Line Graphs


	Bar/Line Graphs
	Advantages Show relationships between 2 or more variables Good visual impression of trends and changes Can show positive and negative values Simple to construct and read	Disadvantages Plotting too many bars makes it appear cluttered - less easy to interpret If there is a wide range of data it is difficult to read accurately Becomes more complicated if there are uneven class intervals Using too many or too few classes can mask important patterns in the data
	Evaluation

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