They do not show increases or decreases of proportions over time as trends are not shown and data cannot be extrapolated. They also do not show casual relationships such as the impact of advertising.
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How is a bar-chart useful to a business?
They summarise large amounts of visual data Therefore key values can be highlighted.
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What are Bar-charts mainly used for?
To show financial data
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What are the disadvantages of a Bar-chart?
It over-simplifies data when further explanations are needed for an accurate analysis. Data can also be manipulated.
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What is the min difference between a Histogram and a Bar-Chart?
Histograms show quantitative data.
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what is the main advantage of using a Histogram?
excellent at displaying data which has chronological categories or numerical groupings.
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What i the disadvantage of using a Histogram?
histograms cannot be used for exact values as the data is grouped into intervals.
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