Elementary Statistics (STAT 214)
Chapter 1
Section 1.1 (Sampling)
statistics: the study of collecting, describing, and drawing conclusions from data
population: the entire collection of individuals ab
Chapter 8
Section 8.1 (Basic Principles of Hypothesis Testing)
null hypothesis: states that a parameter is equal to a specific value
example:
alternative hypothesis: states that the value of a paramet
Practice for Exam 3
Name: _
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) Determine whether
the outcome is a Type I error, a Type II error,
Chapter 6
Section 6.1 (The Standard Normal Curve)
probability density curve: the curve used to describe the distribution of a continuous
random variable.
Properties of the density curve:
1) the area u
Chapter 4
Section 4.1 (Probability)
probability: a measure of the likelihood of a random phenomenon or chance behavior.
Note: probability describes the long term proportion with which a certain outcom
Chapter 7
Section 7.1 (Confidence Intervals for a Population Mean when the Standard Deviation is
KNOWN)
If the mean of a population is unknown, is it very likely that the standard deviation of the
pop
Chapter 3
Section 3.1 (Measures of Center)
Mean, Median, and Mode
mean: the arithmetic average
Note: we will always round the mean to one more decimal place than the data
Notation:
Example: suppose yo
Elementary Statistics (STAT 214)
Chapter 2
Section 2.1 (Graphical Summaries for Qualitative Data)
frequency: the number of times a category occurs in the data set
frequency distribution: a table that
Statistics 427
Assignment 4
Fall 2017
An environmental group claims that more than 35% of all of the personal vehicles in a
particular state fail to meet minimum emissions requirements. This group ask
Statistics 427
Assignment 3
Fall 2017
A company has received a shipment of 900 electric motors. The 900 electric motors in
this shipment are packed in three shipping containers, say containers A, B, a
TEST 3
STAT 214 Sec 04
Total: 100 Points Duration: 1.15 hours Name: ULID:
Instruction: If you use calculator for CI I hypothesis test, write down your inputs where
indicated.
1' A pollster will interv
ENGINEERING VISCOELASTICITY
David Roylance
Department of Materials Science and Engineering
Massachusetts Institute of Technology
Cambridge, MA 02139
October 24, 2001
1
Introduction
This document is in
Structural Identifiability of Viscoelastic Mechanical
Systems
Adam Mahdi*., Nicolette Meshkat., Seth Sullivant.
Department of Mathematics, North Carolina State University, Raleigh, North Carolina, Uni
Active and Non-Active Porosity in Concrete
Part II: Evaluation of Existing Models
Yaman, I.O.1, Aktan, H.M.2, Hearn, N.3
Abstract
Models suitable for describing concrete mechanical properties (modulus
Long term performance of polymers
1.0 Introduction
Polymer materials exhibit time dependent behavior. The stress and strain induced
when a load is applied are a function of time. In the most general f
Corrosion Protection of Metallic
Bipolar Plates for Fuel Cells
May 22-26, DOE Hydrogen Program Review
John A. Turner, Heli Wang
National Renewable Energy Laboratory
Michael P. Brady
Oak Ridge National
Statistical Design
Principles, Recommendations, and Opinions
George Casella
Department of Statistics
University of Florida
[email protected]
Statistical Design [1]
Based on
Statistical Design, 2008, Sp
Brandi A Sibley
STAT 427 MW 1:00-3:45 PM
Dr. Berry
Assignment 6: Anorexia
1. A unit is a young girl suffering from anorexia. The relevant population is
the 72 anorexic young girls who are being treate
SOLUTION. The smallest possible team size is 9. We first show that with nine
team members, it is possible to have four of them who are not all friends of
each other. Suppose the team members are divid
Brandi Sibley
Stat 427 MW 2:30-3:45 PM
Dr. Berry
Assignment 7: Alpha waves
1. Define 2: The average alpha waves measured if all 20 inmates in a Canadian prison who
were allowed to remain in their usua
Brandi Sibley
STAT 427
Assignment 1
Ninety-one infants age ranging 17 to 19 months were randomly assigned to 3 groups to
receive a vaccine for pertussis, whopping coughing. 30 infants were assigned to
Brandi A Sibley
Stat 427 MW 2:30-3:45PM
Dr. Berry
Assignment 2
a) Machine is a unit.
b) A categorical variable. It is whether a machine is functioning or not. The variable takes
true or false.
c) It i
Brandi A Sibley
Stat 427 MW 2:30-3:45 PM
Dr. Berry
Assignment 4
a) The unit is a personal vehicle registered in the state;
The success is that the personal vehicle in the particular state fails to mee
Statistics 325
Assignment 3
Spring 2017
Be sure to justify your answers. Unjustified but numerically correct solutions
may receive no credit!
1. A manager needs to assign employees to 5 different proj
Statistics 325
Assignment 4
(problem 1 corrected 20 March 2017)
Spring 2017
Be sure to justify your answers.
1. A product is being assembled and packaged on three production lines (line A, line B,
and
Statistics 325
Assignment 2
Spring 2017
1. Provide a representation of the sample space for each of the following experiments.
(a) A die is rolled twice and the sum of the outcomes is recorded.
(b) A
Statistics 325
Assignment 5
Spring 2017
Be sure to justify your answers.
1. An experiment consists of inspecting lightbulbs as they come off a production line
until the first defective lightbulb is fo
Statistics 325
Assignment 1
Spring 2017
Pertussis, commonly known as whooping cough, is a highly contagious childhood respiratory disease that was once a feared killer of infants. One hears less about