Quick Reference ~ A maths Dictionary for Kids by Jenny Eather Email jeather@iprimus.com.au A Maths Dictionary for Kids by Jenny Eather at www.amathsdictionaryforkids.com


Qq

quartiles

• quartiles are found using medians to
divide a data set into quarters.
• The median is middle value.
• Quartile 1 (Q1) is the median of the lower half of the values.
• Quartile 3 (Q3) is the median of the upper half of the values.
• a box-and-whisker plot or box plot using a number line
is often used to display the minimum value, lower quartile,
median, upper quartile and maximum value.

EXAMPLES:
quartiles


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