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April 27, 2015

Homework Help: math

Posted by Wendy on Sunday, June 3, 2007 at 12:50am.

I do not understand how to Give the five-number summary of each set of numbers. Can someone please help me?
7, 7, 5, 4, 1, 9, 8, 8, 8, 5, 2

http://en.wikipedia.org/wiki/Five-number_summary

start by putting the numbers in order.
1,2,4,5,5,7,7,8,8,8,9

The minimum and maximum are obvious.

The median is the sixth number (11 items, five above, and five below).

The lower quartile is 4, the upper quartile is 8
http://www.statcan.ca/english/edu/power/ch12/range.htm#quartiles

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