Question 1
A dataset has a lower quartile (Q₁) of 24, an upper quartile (Q₃) of 48, and includes a value of 82. Which statement correctly identifies whether 82 is an outlier?
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General Mathematics · Unit 2 · Univariate data analysis 2 · Comparing data for a single numerical variable across two or more groups
Construct and use parallel box plots, including identifying possible outliers, to compare datasets in terms of median, spread (range and IQR) and outliers to interpret and communicate the differences observed in the context of the data. outliers (identifying): Q1 − 1.5 × IQR ≤ 𝑥 ≤ Q3 + 1.5 × IQR where Q1 is lower quartile and Q3 is upper quartile
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