The five number summary of a dataset was found to be: 0, 3, 11, 17, 20 An observation is considered an outlier if it is below: An observation is considered an outlier if it is above:
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Given: First quartile (Q1) = 3 Interquartile range (IQR) = Q3 - Q1 = 17 - 3 = 14 Calculate the lower bound for outliers: Lower bound = Q1 - 1.5 * IQR Lower bound = 3 - 1.5 * 14 Lower bound = 3 - 21 Lower bound = -18 Therefore, an observation is considered an Show more…
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