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Cards In This Set
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Census
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Collection of data from every member of a population
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Sample
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A selected part of a population
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Outlier
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A value that is very far away from most of the values in a data set
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Quartile
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When data in a set are arranged in order, quartiles are the numbers that split the data into quarters (or fourths)
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Interquartile Range
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The difference between the first and third quartiles (sometimes called upper and lower quartiles
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Parameter
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A measured characteristic of a population
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Statistic
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A measured characteristic of a sample
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Stem and Leaf Plot
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A graphical method used to represent ordered numerical data. Once the data are ordered, the stem and leaves are determined . Typically , the stem is all but the last digit of each data point and the leaf is that last digit
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Box and Whisker Plot
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A diagram that summarizes data using the median, and the upper and lower quartiles, and the extreme values (outliers) . Box and Whisker plots (box plots) are constructed from the five- number summary of the data (minimum value, maximum value, median, lower quartile, and upper quartile).
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