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Big Ideas Math Integrated I, 2016

BI

Big Ideas Math Integrated I, 2016 View details

2. Box-and-Whisker Plots

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Exercise 3 Page 341

Each whisker represents 25 % of the data. The box represents 50 % of the data.

See solution.

Practice makes perfect

Consider the given box-and-wisker plot for the ages of the members of a backpacking expedition in the mountains.

Boxplot above a number line with minimum 18, first quartile 23, median 25, third quartile 29 and maximum 30 using whiskers that go from the maximum and minimum to the quartiles

In a box-and-whisker plot, each whisker represents 25 % of the data. The box represents 50 % of the data. With this in mind, we can state the following facts about the distribution of the data set.

25 % of the ages are between 18 and 23.
50 % of the ages are between 23 and 29.
25 % of the ages are between 29 and 30.

Subchapter links

Communicate Your Answer p.339

Monitoring Progress p.340-342