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A broken line graph shows information by plotting points of information on the graph and are connected with a line. This is used to show continuous data.
A line graph is not a good way to represent the data as the number of CDs is a continuous variable, but the artists are a discrete, categoric variable. A line graph should be used when both variables are continuous. A bar chart or bar graph should be used when one variable is continuous and one is discrete.
It can be, but not necessarily. If I had the heights (continuous variable) of a class of students I might use a histogram. Conversely, if I had the number of cars (discrete variable) driving by every minute, I would use a line graph. It all depends on which kind of graph conveys the information to your audience in the best way.
A bar graph consists of columns of varying height to show data - looking like 'steps' across the page. A line graph uses a continuous line which changes direction with each piece of data.
bar graph /\
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A broken line graph shows information by plotting points of information on the graph and are connected with a line. This is used to show continuous data.
A line graph is not a good way to represent the data as the number of CDs is a continuous variable, but the artists are a discrete, categoric variable. A line graph should be used when both variables are continuous. A bar chart or bar graph should be used when one variable is continuous and one is discrete.
scatter plot
line graph
It can be, but not necessarily. If I had the heights (continuous variable) of a class of students I might use a histogram. Conversely, if I had the number of cars (discrete variable) driving by every minute, I would use a line graph. It all depends on which kind of graph conveys the information to your audience in the best way.
A bar graph consists of columns of varying height to show data - looking like 'steps' across the page. A line graph uses a continuous line which changes direction with each piece of data.
A line graph.
line graph
You would use a bar graph to show data changes over time or to show comparisons among items. A line graph can also be used to show data changes over time or comparisons. A pie/circle graph would be used to show the relative amount/size of items in a data set. A scatter plot is used to show trends and similarities in a large number of data points. This link might be useful too. http://office.microsoft.com/training/training.aspx?assetid=rc011097791033&ofcresset=1
Visually as with too much data, the figures become meaningless. Graph it.