If you are showing the number of respondents to a survey by age, or the frequency of incoming calls by day, a distribution chart might be the best choice.ĭistribution charts include histograms, population pyramids, Pareto charts, and box plots. When you are trying to find the frequency of events within a population, you are looking at the distribution. How important are the deviations in this measure?.How far from the norm does this measure stray?.What types of question can this chart answer? You can also find the statistical significance of the deviation using a Z-score. You can use bullet charts, bar charts, and combination charts to show deviation. If you wanted to know which items had unusually high or low profit margins, you would use a deviation chart. How large of a gap is there between the lowest and highest measure between these dimensions?ĭeviation charts show how far a value varies from some baseline, such as the average or median.Which of these dimension members has the highest measure?. ![]() Magnitude charts include bar charts, packed bubble charts, and line charts. If you are comparing sales for different regions, you are looking at magnitude. Magnitude shows the relative size or value of two or more discrete items.
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