Guide to Chapter 7 Copyright © 2008–2013 by Stan Brown, Oak Road
Systems Copyright © 2008–2013 by Stan Brown, Oak Road Systems
This is your guide to what’s important in the chapter, with
comments on some things that the chapter leaves out or doesn’t
explain well. Page numbers refer to Sullivan, Michael,
Fundamentals of Statistics 3/e (Pearson Prentice Hall, 2011),
which is equivalent to the “second custom edition” for TC3.
Always check Corrections to Sullivan’s Fundamentals of
Statistics, 3rd Edition for known mistakes in the textbook.
Caution: your calculator is more accurate than the book because
the book rounds values and uses tables. When the book disagrees
with your answer, check the errata. Overview: After doing
discrete PD last week, we turn to continuous PD, specifically to
the normal distribution, the bell curve. We study the ND for two
reasons. First, many things in real life follow the normal
distribution (ND). Second, we’ll discover in Chapter 8 that
through sampling we can use a ND even with vari