T102
SECTION 8.1 REAL NUMBERS
RATIONAL NUMBER (Q):
a number that can be expressed either as:
as a repeating decimal
or as
a terminating decimal.
Note: The Rational Numbers include the Natural Numbers (N), the Whole Numbers (W), and the Integers
(I) PLUS

T102
SECTIONS 10.2.3
DISPLAYING DATA: PARTS 1 & 2
For many years, the word statistics referred to numerical information about state or political territories. The
word itself comes from the Latin statisticus, meaning of the state. We now live in an informa

T102
SECTION 10.4
MEASURES OF CENTRAL TENDENCY
AND VARIATION
In this section we will be doing some number crunching with data sets to help us to get a feel for
the data:
MEASURES OF CENTRAL TENDENCY
Where is the center of the data set?
Do the numbers tend

T102 Final Review
REVISED Fall 2007
This is only a sampling of some problems to review. All exams, notes, quizzes, homework, and reviews
should also be done.
1) Use < , > or = to write a true sentence:
10
a. 9
b. 5.9
6
8
9
c.
2) Find a number between th

T102 SECTION 9-4
PART I
ODDS, CONDITIONAL PROBABILITY AND EXPECTED VALUE
ODDS
You hear people speak about the odds in favor of something happening or the odds against
something happening all the time. What do these statements really mean?
If the odds in f

T102
SECTION 9.3
USING SIMULATIONS IN PROBABILITY
A simulation is a technique to act out a situation. It is a way to study a phenomenon too complex to
analyze by other means.
For instance, we can simulate tossing a coin 20 times using a variety of methods

T102 SECTION 6.3
I.
MULTIPLICATION AND DIVISION OF RATIONAL NUMBERS
MULTIPLICATION
A.
Models for Multiplication
1.
Repeated Addition
3
2
5
2.
Area Model
3
2
5
+
+
=
But, what happens when both multiplicands are fractions? For example, three-fourths of the

T102
SECTION 6.4 RATIOS, PROPORTIONS, & PROPORTIONAL
REASONING
RATIO
For any two rational numbers a and b, the ratio of a to b is the fraction
A ratio is a comparison of two quantities written as a rational number.
We can write ratios in three ways:
We
1.

T102
CHAPTER 7
SECTION 7-1
DECIMALS, PERCENTS, AND REAL NUMBERS
INTRODUCTION TO DECIMALS
In this section, we will explore relationships between fractions and decimals and see how decimals
are an extension of the base-ten number system. The word decimal co

T102
I.
SECTION 7-2
OPERATIONS WITH DECIMALS
ADDITION AND SUBTRACTION OF DECIMALS
A.
ADDITION
Before jumping directly to the standard algorithm for adding and subtracting
decimals, let us discover why the algorithm works with some concrete and other
examp

T102 SECTION 7-3
RECALL:
NONTERMINATING DECIMALS
Any rational number can be expressed as a decimal either terminating or repeating.
Given the rational number
1.
a
in simplest form (reduced):
b
If the prime factorization of b contains only _s and/or _s the

T102
SECTION 9-1
HOW PROBABILITIES ARE DETERMINED
INTRODUCTION
Probability, with its roots in gambling, is used in areas such as weather, sports, politics,
insurance, etc.
Probabilities are RATIOS expressed as fractions, decimals, or percents, and they ar

T102 SECTION 9.2
MULTISTAGE EXPERIMENTS WITH TREE
DIAGRAMS & GEOMETRIC PROBABILITIES
TREE DIAGRAMS
Tree Diagrams are visual depictions of experiments. We will first look at a tree diagram of a
ONE-STAGE EXPERIMENT that is, only one step.
EXAMPLE: A spinne

T102 CHAPTER 6
SECTION 6.1
I.
RATIONAL NUMBERS AS FRACTIONS
THE SET OF RATIONAL NUMBERS
INTRODUCTION
In T101, we began by studying the Natural Numbers:
N=cfw_
We then expanded this study to the Whole Numbers:
W=cfw_
And then to the Integers:
I=cfw_
The