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Crash Course on Basic Statistics

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Crash Course on Basic StatisticsMarina Wahl, of New York at Stony BrookNovember 6, 20132Contents1 Basic Basic Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Probability of Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bayes Theorem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62 Basic Types of data .

In a small sample of data (less than 25 or so), the sample median tends to do a poor job of estimating the population median.? For task-time data the geometric mean tends to provide a better estimate of the pop-ulation’s middle value than the sample median. Mode? The most frequently occurring value.? Is useful in describing ordinal or ...

  Data, Statistics, Describing

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