Still not meaning to get political, I intend this next example to be a warning about looking at data. The fact is, anyone with an agenda can manipulate the presentation of data in this way. Students need to know not only how graphs work, but how the data set can be presented to appear to be something other than it actually is. This video examines a graph commonly used in AGW (Anthropogenic Global Warming) presentations.
Whether dealing with junk science, or with claimed rates of return for a mutual fund, or any number of situations, people need to know to ask questions. They also need to know which questions to ask. Skepticism is always healthy, and especially when someone is reaching for your wallet. More especially when they claim to be doing you good while reaching for your wallet!
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