Five Number Summary
The "five number summary", or five statistical summary", consists of
(1) the minimum, (2) the maximum, (3) the median, (4) the first quartile
and (5) the third quartile.
Find the "five number summary" for the data set
{85, 100, 97, 84, 73, 89, 73, 65, 50, 83, 79, 92, 78, 10}.
Method 1. A box and whisker plot will clearly show a five number summary. See boxandwhiskers for information on creating these graphs. 

Method 2: A complete five number summary is displayed on the lower portion of the OneVariable Statistics screen. Enter the data on a List & Spreadsheet Page. Press , #4 Statistics, #1 Stat Calculations, and choose #1 OneVariable Statistics. The choice "Open Variable Statistics" yields the following results back to the spreadsheet columns. One column will "label" these values, while the following column contains the actual values. The five number summary information is contained within these results.

When prompted for the number of lists, enter 1. When promted for X1 list enter the name of the list and frequency 1. Widen the columns. Arrow down to see the five number summary.

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