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Learn how to make a box-and-whisker plot step-by-step with this tutorial. Organize your data, find the median, Q1, Q3, and more. Master the art of visualizing statistical values effectively.
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Box-and-Whisker PlotRefresher Unit 9, Day 3
How to make a box-and-whisker plot • Put the data values in order. • Find the Median. • Find the median of the 1st half. This is Q1. • Find the median of the 2nd half. This is Q3. • Draw a number line. • Draw a rectangle above the number line from Q1 to Q3 with a line through it at the median. • Draw whiskers from the box out to the minimum and maximum values.
5 Number Summary • Minimum • Q1 • Median • Q2 • Maximum