1.1 Section Title

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Question 1.1

Use a modified boxplot to determine whether there are any outliers in the January 2010-January 2013 monthly gas price data. Verify your result using the 1.5IQR criterion.

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Since the minimum value of 2.66 is above the lower fence of 1.62, there are no low outliers. Since the maximum value of 3.93 is below the upper fence, there are no high outliers.