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By reading a misleading graph, what types of questions should you ask about the data you...

By reading a misleading graph, what types of questions should you ask about the data you are reviewing? What type of basic information, formatting should be present on a graph to make it clear and unambiguous?

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Answer #1

Types of questions we should ask about the data we are reviewing:

(1) Is the Vertical scale too big or too small or skips data or does not start at 0 ?

(2) Is the graph labeled properly ?

(3) Is any data left out?

(4) Each plot should have the same scale on vertical axis. If each plot has different scale on its vertical axis, it can change the visual appearnce of the angle made by the line on the graph.

(5) A histogram can be misleading if it has a deceptive scale or inappropriate starting and ending points on the y axis.

(6) In the case of 3Dpie charts the third dimension does not improve the reading of the data. On the contrary, these plotsare difficult to interpret because of the distorted effect of perspective associated with the third dimension.

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