Name
FN g
STAT 509 Spring 2015
Sections 003 and E02
QUIZ 2
February 2, 2015
1)
Is the function above a probability mass function? Verify mathematically. Give 2 reasons. (2pts)
2)
P(X<1) ( l p t )
? ( x < f)
*
?(X*o^ + p(x= ^
A
V
5
0.264,1
3)
P(2<Z<4) ( l
Ke
Name
STAT 509
PRACTICE PROBLEMS FOR EXAM II
EXAM II will be given Wednesday, April 1, 2015. It will cover Chapter 6, Sections 17; Chapter 7, Sections
13; Chapter 8, Sections 15, Chapter 9, Sections 15. (None of Chapter 10 will be on this Exam)
Answ
STAT 509 Spring 2015
Sections 003 and E02
QUIZ 5
February 25, 2015
Name
r
Central Limit Theorem
The amount of time that a customer spends waiting in line at an airport checkin counter is a
random variable with mean 9.2 minutes and standard deviation 2.5
Name_KEY_
STAT 509 Fall 2014
Sections 003 and E02
QUIZ 4
February 23, 2015
Pareto Chart
Construct a Pareto Chart from the following data regarding defects in automobile doors. (8 pts)
Pareto Chart
Door Defects
Defect Type
Dents
Missing Holes
Assembled Out
Name_
STAT 509
PRACTICE PROBLEMS FOR EXAM II
EXAM II will be given Wednesday, April 1, 2015. It will cover Chapter 6, Sections 17; Chapter 7, Sections
13; Chapter 8, Sections 15, Chapter 9, Sections 15.
Answer all parts of each question on the Exam ca
Name That
Distribution!
Suppose that milk is shipped to retail
outlets in boxes that hold 16 milk
containers. One particular box, which
happens to contain 6 underweight
containers, is opened for inspection,
and 5 containers are chosen at
random. What is t
STAT 509
Sections E02 and E03
Project / Technical Writing Assignment
The Technical Writing Assignment is due November 23, 2015. A 25% late penalty will be
imposed on all late papers and these will only be accepted up to one week after the due date.
The Pr
STAT 509: Statistics for Engineers  14917
Section E03, Fall 2015
Wiley Course ID 469358
Wiley Course URL: www.wileyplus.com/class/469358
Class Meeting Times: Monday and Wednesday 3:555:10 PM
Class Meeting Location: Gambrell Room 402
Instructor: Cheryl M
STAT 509 Spring 2015
Sections 003 and E02
QUIZ1
January 26, 2015
Formulas:
Conditional Probability Definition: P(B  A) = P(A D B) / P(A)
Additive law: P(A U B) = P(A) + P(B)  P(A n B)
Multiplicative law: P(A n B) = P(A  B)P(B) = P(B  A)P(A)
Law of Tot
STAT 509 Spring 2015
Sections 003 and E02
Take Home QUIZ 3
Due February 9, 2015
Name That Distribution!
Instructions:
Read each scenario. Determine which
probability distribution best models the
application.
Answer each probability question.
1
Suppose tha
r
NAME.
STAT 509 Spring 2015
Sections 003 and E02
QUIZ 7
March 16, 2015
Complete the matrix below with the results of a Decision in a Significance Test. (4 pts)
Possible answers are: Type I Error, Type II Error, Correct Decision.
Decision
Fail to Reject H
Name
STAT 509 Spring 2015
Sections 003 and E02
QUIZ 6
March 4, 2015
Confidence Interval on the Mean
The solar energy consumed (in trillion BTU) in the U.S. by year is being analyzed.
A sample of 16 years was collected and the Minitab printout of the summa
NAME
\Je,U
Hypothesis Test Example
A random sample of 47 workers between the age of 18 and 25 was recently taken by GSS; they were
asked how many hours they worked in the previous week. The sample was normally distributed with
a mean of 36.5 hours with a
Name
STAT 509 Spring 2015
Sections 003 and E02
QUIZ 9
March 25, 2015
Confidence Interval and Hypothesis Test on the Variance
*
1) Measurement System Analysis is the study of the variability in measurements due to the measurement system,
j\l including gaug
Department of Computer Science and Engineering
University of South Carolina
CSCE350: Data Structures and Algorithms
Midterm Exam 2 (Sample Test with Solutions)
Name:
Student #:
Important Notice:
This is a closedbook, closednote exam! Only a singleside
0
STAT 509 Spring 2015
Sections 003 and E02
QUIZ 10
March 30, 2015
Confidence Interval and Hypothesis Test on the Proportion
xnpQ

yjnp (l
0
3 = s>
p)
Po  P +
Onesided Confidence Interval for p:
* y W 
\jpi\
0
pz
and
<p
a
Po)'
P 
pV"
pp
+
z
a
Po
V
1
Name That Distribution!
Instructions:
Read each scenario. Determine which
probability distribution best models the
application.
Answer each probability question.
Suppose that milk is shipped to retail outlets in boxes that hold 16 milk containers.
One p
STAT 509
Fall 2015
Statistics for Engineers
Chapter 3
RandomVariableanditsNotation
Avariablethatassociatesanumberwiththeoutcomeof
arandomexperimentiscalledarandomvariable.
Arandomvariableisafunctionthatassignsareal
numbertoeachoutcomeinthesamplespaceofa
STAT 509
Fall 2015
Statistics for Engineers
Chapter 6
Reasons for Using Statistical
Methods
The three main components of statistics
for answering a statistical question:
Design: Planning how to obtain data
Description: Descriptive Statistics refers to
met
STAT 509
Fall 2015
Statistics for Engineers
Chapter 4
Continuous Random Variables
A continuous random variable is one which
takes values in an uncountable set.
They are used to measure physical
characteristics such as height, weight, time,
volume, positi
STAT 509 Fall 2014
Sections 002 and E02
QUIZ 4
October 1, 2014
Name_KEY_
Pareto Chart
Construct a Pareto Chart from the following data regarding defects in automobile doors. (8 pts)
Pareto Chart
Door Defects
Dents
4
Pits
4
A
Name
Kg
STAT 509 Fall 2014
Sections 002 and E02
QUIZ 6
October 13, 2014
Confidence Interval on the Mean
An article in Computers & Electrical Engineering, (1996, Vol.22) considered the speedup of cellular neural networks
(CNN) for a parallel generalpurpos
Name_
STAT 509 Fall 2014
Sections 002 and E02
QUIZ 7
October 20, 2014
Hypothesis Test on the Mean
Medical researchers have developed a new artificial heart. The heart will last almost indefinitely once it
is implanted in the body, but the battery pack nee
STAT 509 Fall 2014
Sections 002 and E02
QUIZ 5
October 8, 2014
Name
Central Limit Theorem
Th
sh is
ar stu
ed d
vi y re
aC s
ou
ou rc
rs e
eH w
er as
o.
co
m
The amount of time that a customer spends waiting in line at an airport checkin counter is a
rand
I"
Name
STAT 509 Fall 2014
Sections 002 and E02
QUIZ 8
October 22, 2014
Confidence Interval and Hypothesis Test on the Variance
1) Complete the matrix below with the results of a Decision in a Significance Test.
Possible answers are: Type I Error, Type II
Name
STAT 509 Fall 2014
Sections 002 and E02
QUIZ 9
October 28, 2014
Confidence Interval and Hypothesis Test on the Proportion
xnp
Z
/
=
n
P0 ~ P + a^Po(
0
T
P
Onesided Confidence Interval for p:
z
i

Po)'"
P  Po
yjp(\p)/n
= (1>
pllp)
D  Z :/>
J
Name
l\
STAT 509 Fall 2014
Sections 002 and E02
QUIZ 2
September 15, 2014
Given the following function complete the table below:
2x+\
25
\
1
Ii
!
xf(x)
0
3
\
2
4
25/
/zs /us
10/
sh is
ar stu
ed d
vi y re
aC s
ou
ou rc
rs e
eH w
er as
o.
co
m
X
o \/zs
o Wi
Name
STAT 509 Fall 2014
Sections 002 and E02
QUIZ 10
November 17, 2014
Confidence Interval and Hypothesis Test for Two Population Means
Two suppliers manufacture a plastic gear used in a laser printer. The impact strength of these gears
measured in footp
b l A I bU9 Hall 2U14
U
Sections 002 and E02
Optional QUIZ 12
December 3, 2014
Regression Analysis
The number of pounds of steam used per month by a chemical plant is thought to be related to the
average ambient temperature for that month. This past year'