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Measures of Center and Spread
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What is the IQR of the following data set? 4, 2, 9, 5, 2, 5, 2, 8, 9, 2, 3
6
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What is the mode of the following data set? 2, 9, 5, 2, 5, 9, 3, 5, 4, 1, 0, 9
5 and 9
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Find the MAD of the data set, rounded to the nearest hundredth. 5, 2, 6, 3, 6, 2, 4
1.43
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What is the range of the following data set: 5, 2, 12, 6, 24, 7, 4, 0
24
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What is the mean of this data set? 4, 2, 9, 7
5.5
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What is another word for mean?
average
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What is the median of the following data set: 4, 6, 21, 7, 9, 2, 0, 3, 23
6
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What is the mode of the following data set: 4, 2, 6, 3, 5, 2, 9, 5, 4, 2
2
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What do you call a data point that is far away from the rest of the data set?
outlier
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