Name
EXAM I
STAT 509 Section E02
September 24, 2014
Answer all parts of each question carefully and completely. Show work for any calculated answer.
Answers alone will receive no credit. Round answers t o 4 decimal places where appropriate. You may
use a
STAT 509 Fall 2014
Sections 002 and E02
QUIZ1
September 8, 2014
Disks of polycarbonate plastic from a supplier are analyzed for scratch and shock resistance. The
results from 100 disks are summarized as follows:
M
/f
I
shock resistance
scratch resistance
STAT 509 Fall 2015
Sections E02 and E03
Take Home QUIZ 3
Due Wednesday, September 23, 2015
Name That Distribution!
Instructions:
Read each scenario. Determine which
probability distribution best models the
application.
Answer each probability question.
1
Name_
Example Practice Problems for STAT 509 Final Exam
1. The newest Boeing 7879 Dreamliner is designed to be 206 feet in length. The manufacturing
process for assembling the 7879 follows a normal distribution with mean 205.8 feet and standard
deviatio
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 Homework 3 Solution
by Shiwen Shen
USC 2014 Spring
Problem 1
a)
1
3
dy = 3
y4
y
= 0 (1) = 1
1
1
b)
y
3
1
dw = 3
4
w
w
FY (y) =
1
y
=1
1
1
y3
Thus, the CDF of Y is
FY (y) =
0,
1
1
,
y3
y1
y>1
c) The probability that a random particle exceeds 4 mic
Name
EXAM II
STAT 509 Section E02
November 5, 2014
Answer all parts of each question carefully and completely. Show work for any calculated answer.
Round answers to 4 decimal places where appropriate. You may use a calculator during this exam. (NO
CELL PH
Name
r
STAT 509
PRACTICE PROBLEMS FOR EXAM II
EXAM II w i l l b e g i v e n W e d n e s d a y , N o v e m b e r 5, 2 0 1 4 . It w i l l c o v e r C h a p t e r 6, Sections 17; C h a p t e r 7,
Sections 13; C h a p t e r 8, Sections 15, a n d C h a p t
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'
Name
^ ^ " ^
STAT 509 Fall 2014
Sections 002 and E02
QUIZ 11
November 24, 2014
Completely Randomized Single Factor Experiment
The compressive strength of concrete is being studied and four different mixing techniques are being
investigated. The fol owing
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
Appendix A/Statistical Tables and Charts
TABLE I Summary of Common Probability Distributions
Probability
Distribution
Name
Mean
Discrete
cfw_b + a)
,a<b
Uniform
2
Binomial (f dncv*i)
np
Geometric
^
0
Hypergeometric
Poisson
Continuous
Uniform
Normal
Gamma
NAME_
STAT 509 Fall 2015
Sections E02 and E03
QUIZ 1
September 2, 2015
Formulas:
Conditional Probability Definition: P(B  A) = P(A B) / P(A)
Additive law: P(A U B) = P(A) + P(B)  P(A B)
Multiplicative law: P(A B) = P(A  B)P(B) = P(B  A)P(A)
Law of Tot
Stat509 Summer 2015 HW2
Instructor: Qianqian Wang
May 18, 2015
Note: The homework is due on Friday, May 22, 2015, in class.
1. The probability mass function (pmf) of X is given by
x
p(y)
0
0.10
1
0.25
2
0.40
3
0.20
4
0.05
(a) Verify that the given table r
STAT 509 Homework 1 Solution
by Rajkumar Saha
USC 2015 Spring
Problem 1.
Solution. (a) The project manager needs to choose 3 engineers out of 6 without
6!
considering the order. There are nS = 6 = 3!(63)! = 20 possible outcomes. The
3
sample space is:
S =
Stat509 Summer 2015 hw1
Instructor: Qianqian Wang
May 12, 2015
Note: The homework is due on Monday, May 18, 2015, in class. I will post the solution after class
on Blackboard.
1. Let the sample space S be a set of English alphabet, that is, S = cfw_a, b,
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
X
0
2
\
1
Ii
!
xf(x)
3
\
4
25/
/zs /us
10/
o \/zs
o Wis
/z
/ZS !
7zs
/ZS
14*4/ 1
23
/zs \
1) Is the function above a p
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
STAT 509
EXAM I Formula Sheet
You may use this one (1) page during EXAM I. You may write on both sides of this sheet. The
Binomial Table and the Normal Table will be provided. Bring a calculator. NO CELL PHONES or
COMPUTERS.
Know definitions for Statistic
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
Quantity
Dents
4
STAT 509 Fall 2014
Sections 002 and E02
QUIZ1
September 8, 2014
Disks of polycarbonate plastic from a supplier are analyzed for scratch and shock resistance. The
results from 100 disks are summarized as follows:
M
/f
I
shock resistance
scratch resistance
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
o
ou urc
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
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 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)
DZ
J
:/>
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
o
ou urc
rs e
eH w
er as
o.
co
m
X
o \/zs
o Wi
Name
EXAM II
STAT 509 Section E02
November 5, 2014
Answer all parts of each question carefully and completely. Show work for any calculated answer.
Round answers to 4 decimal places where appropriate. You may use a calculator during this exam. (NO
CELL PH
Name
EXAM I
STAT 509 Section E02
September 24, 2014
Answer all parts of each question carefully and completely. Show work for any calculated answer.
Answers alone will receive no credit. Round answers t o 4 decimal places where appropriate. You may
use a
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
Defect Type
Quan
STAT 509 Fall 2014
Sections 002 and E02
QUIZ 5
October 8, 2014
Name
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 8.2 and standard deviation L5_minutes. Suppos
STAT 509
Spring 2017
Statistics for Engineers
Chapter 11
111:EmpiricalModels
Manyproblemsinengineeringandscienceinvolve
exploringtherelationshipsbetweentwoormore
variables.
Regressionanalysisisastatisticaltechniquethat
isveryusefulforthesetypesofproblem
Name_
Example Practice Problems for STAT 509 Final Exam
1. The newest Boeing 7879 Dreamliner is designed to be 206 feet in length. The manufacturing
process for assembling the 7879 follows a normal distribution with mean 205.8 feet and standard
deviatio
J Name Kym, "a
[MM PLE
Compietely Randomized Single Factor Experiment
The compressive strength of concrete is being studied and four different mixing techniques are being
investi  ated. The foliowing data was collected.
An ANOVA was run in MiniTab with
STAT 509 Spring 2017
Final Exam Study List
You may bring two (2) pages of formulas/reminders to the Final Exam. You
may write on both sides. The Tables will be provided. Bring a calculator. NO
CELL PHONES or COMPUTERS.
Review the terms and concepts: There