FIVE NUMBER SUMMARY

FIVE NUMBER SUMMARY

Please, read the following article that explains the five-number summary: http://web.mnstate.edu/peil/MDEV102/U4/S36/S36_print.html

Answer the following questions:

a) what is the five-number summary? Why is it useful?

b) what is a box-and-whiskers graph? How is it related to the five-number summary?

c) We can use different tools already available on the internet to create box-and-whiskers graphs. This is one of them: http://www.imathas.com/stattools/boxplot.html

Use this tool to create the box-and-whiskers diagram for the following data set:

79,  77,  81,  85,  89,  87,  93,  99

You can cut and paste the graph.

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