8/13/2012
Variable Types :
Qualitative/Categorical : variables are variables
that are given category names instead of
numbers two levels of categorical variables are
1. Nominal (Khng th bc): variables which is a
purely classification variable, where the
8/8/2012
STAT301 :
Introduction to statistics
,
Instructor
Dr. Vu Tien Thinh
x,s,b
Support
Classroom instruction
Textbooks
Statistics The exploration and analysis of data (Devore
Peck)
Additional support
Office hours
E-mail: vutienthinh@hotmail.com
Quiz 4 2 Sample Techniques Solutions (65 Points)
Score_
Name: _
Use the information in the following setting to answer questions 1 5
A claim has been made that listening to Mozart while studying will affect a students
performance on a big test. In a study
Dispersion Example: Sum of Squares, Variance, Standard
deviation
Use the information in the following setting to answer questions:
The goal of this study is to estimate the average height (inches) of the men and the
women in this section of STAT301. Five
Deterministic Probability - The Marble Game Example
Use the information in the following setting to answer questions 1 through 7:
While in Romania last year I noticed a group of children playing a game with a set of marbles.
The rules seemed a bit complic
STAT301
Quiz #2 Solutions (35 points)
Score: _
Form A
Name: _
STAT301 Section: _
Use the information in the following setting to answer questions 1 - 5
Benign prostatic hyperplasia (BPH) is a condition often seen in older males where
enlargement of the pr
STAT301
Quiz #3 (48 points)
Score: _
Form A
Name: _
STAT301 Section: 4
You must show your work to receive full credit
Use the information in the following setting to answer questions 1 - 8
In order to determine if there is a relationship between cause of
8/13/2012
Descriptive statistics
A parameter is a piece of information about the
entire population. A statistic is our best guess
for the parameter using only a sample.
Descriptive Measures
Central Tendency measures. They are
computed to give a center ar
Introduction to Probability
Experiments, Outcomes, Events and Sample Spaces
What is probability?
Basic Rules of Probability
Probabilities of Compound Events
Experiments, Outcomes, Events and Sample
Spaces
Experiment: An experiment is any activity from