Chapter 3b
Summarizing Data: Measures of Location
1
~
The Median x
Given a set of data x1, x2, xn in increasing order of
magnitude, the sample median is defined as the middle
value or the mean of the two middle values in the data set.
The median position

Statistics1
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1
Minitab
Starting Minitab
Click on Minitab icon on startup screen or
Click on taskbar item of Start
Select Programs
Select Minitab
Select Minitab 16
Session/Data Windows
After opening Minitab, you should see a display of its two main windows: the Session

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Chapter 6
Some Rules of Probabilities
Sample Spaces and Events
An experiment (or statistical experiment) is one
for which
I.
The outcome cannot be predicted with
certainty
II. The collection of all possible outcomes can
be described prior to its performan

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Nafus 1
Jeremy Nafus
Statistics 1
Professor Pam Lowry
12 November 2013
Discussion Board #4
2.
70,000(0.15) + 72,000(0.20) + 75,000(0.35) + 80,000(0.18) + 82,000(0.12) = $75,390
3.
a) 0.40 + 0.20 + 0.50 = 1.10 > 1.00 Not probability of Distribution
b)
0/10

What is Statistics?
Uses of Statistics
Statistics is one of the tools used to make
decisions in business
We apply statistical concepts in our lives
As a student of business or economics,
basic knowledge and skills to organize,
analyze, and transform dat

Chapter 1
Introduction
1
What is Statistics?
Two Definitions
Statistics is a
collection of
unprocessed data
brown
187lbs.
61
57
166lbs.
black
54 145lbs.
blonde
Statistics are the
methods employed in
the collection,
processing, analysis,
and interpretation

Chapter 9
The Normal Probability Distribution
Continuous Distributions
A random variable is a continuous random variable if its set
of possible values is an entire interval or a union of
intervals. A continuous random variable is associated with a
continu

Chapter 9
The Normal Probability Distribution
Continuous Distributions
A random variable is a continuous random variable if its set
of possible values is an entire interval or a union of
intervals. A continuous random variable is associated with a
continu

Chapter 8
Probability Distributions
Random Variables
If the outcomes of an experiment are qualitative (not
numerical), then we can assign numbers to those outcomes
in order to mathematize the problem. For example,
consider the experiment of tossing a coin

Chapter 8
Probability Distributions
Random Variables
If the outcomes of an experiment are qualitative (not
numerical), then we can assign numbers to those outcomes
in order to mathematize the problem. For example,
consider the experiment of tossing a coin