THE HUMAN IMMUNE SYSTEM
AIDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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to comparethings between different groups
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whensmaller changes exist
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totrack changes over time
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when tryingto measure changes over time
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Detailed explanation-1: -When smaller changes exist, line graphs are better to use than bar graphs. Line graphs can also be used to compare changes over the same period of time for more than one group.
Detailed explanation-2: -A bar graph can be of great use when you have to explain the meaning of complex data. It allows you to compare different sets of data among different groups easily. It instantly demonstrates this relationship using two axes, where the categories are on one axis and the various values are on the other.
Detailed explanation-3: -The main disadvantages of bar chart are: It cannot show sufficient detail to enable timely detection of schedule slippages. The bar chart does not show the dependency relationships among activities. It is essentially a manual graphical presentations.
Detailed explanation-4: -The disadvantages of a bar graph are that they do require some additional explanation to fully understand, they’re easy to manipulate to show false or misleading results, and they can’t show patterns or how the data affect one another.