"No employment can be managed without arithmetic, no mechanical invention without geometry."  (Benjamin Franklin)

Answer: "I can't remember your name, but your faith is familiar." Things Herky would like to know: Why is the word abbreviation so long? 
Reading: Review previous reading sections, as necessary. Exercises: 2.1, 2.2, 2.3, 2.4, 2.5 (There is a lot that can be learned from this simulation.)

You are in Section 2.1.
The concept of a densitycurve is important in statistics.
Make sure you appreciate the MATH POWERillustrated by Exercise 2.5.
Here is the TI83 approach listed in this exercise.
Clear list L2 (or some list of your choice).
randInt(
Set window assuggested in text (page 73) to produce a frequency histogram.
Use 2nd/ENTRY todo this many times.
Relate to what you have done
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Text:
The Practice of Statistics, by Yates, Moore, McCabe. New York,W.H. Freeman and Company, 1999. (ISBN 0716733706)
Supplemental books:
The Cartoon Guide to Statistics, by Gonick and Smith. NewYork, HarperCollins Publishers, 1993. (ISBN 0062731025)
How to Lie with Statistics, by Darrell Huff. New York, W.W.Norton & Company, 1982 (ISBN 039309426X)