Table entry
for z is the
probability
lying below 2. . 2',
Table A Standard normal probabilities
z .03 .04 .05
—3.4 .0003 .0003 .0003 .
—3.3 .0005 .0005 .0005 .0004 .0004 .0004 .0004
Chapter 1
Section 1: Analyzing Categorical Data
The value of categorical variables is often used to place variables in certain categories such as
“male" or “female.” The distribution of a categorical
Chapter 2
Section 1: Describing Location in a Distribution
Suppose you earned an 86 on a statistics quiz. The question is: should you be satisfied with this
score? What if it is the highest score in t