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NSWMaths Standard 2Quick questions
Year 11: Data Analysis
Quick questions on Box-and-whisker plots and comparing distributions for HSC Maths Standard 2
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is constructing a box plot from a five-number summary?Show answer
The five-number summary comes first; the picture is just a careful plot of it. The routine is always the same:
What are parallel box plots?Show answer
A parallel box plot (also called a side-by-side box plot) draws two or more box plots one above the other against the same number line. Sharing one scale is what makes the comparison fair and instant: you can see at a glance which group is centred higher and which is more spread out, because the boxes are measured against identical axis marks.
What is reading shape from a box plot?Show answer
The position of the median inside the box is the quickest read on shape:
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