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Describing Data Objectively

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Mean

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Technically,

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Median

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Mode

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Standard deviation

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Practice describing data objectively by calculating statistics.

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Data that is normally distributed is sometimes described as having a bell-shaped curve.

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Basic statistics

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Modeling decisions do’s and don’ts

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When you sum the values of items and then divide by the number of items, you are calculating the:

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Which of the following calculations is useful for describing data that includes widely varying