Chapter 6. Control Charts for Variables
Control Charts for x and R
x: quantity of interest
x1 , x2 , xn : samples of x
x N ,
n
x N (, )
Subgroup Data with Unknown and
g p
x : grand average of x, best estimate for
R1 , R2 , Rm : ranges of m samples
Pha

ESE 405 Homework Assignment 7
Chapter 8 of Text
Problem 8.1
Problem 8.3
Problem 8.5
Problem 8.8
Problem 8.15
Problem 8.18
Problem 8.21
Problem 8.26
Problem 8.31
Problem 8.36
Problem 8.43

Chapter 3. Modeling Process Quality
Stem-and-Leaf Display
numbers above
numbers
within
Percentile
Sample median or fiftieth percentile
First quartile (Q1) third quartile (Q3)
(Q1),
Interquartile range (Q3-Q1)
numbers below
PlotofDatainTimeOrder
Margin

Chapter 5 Methods and Philosophy of
5.
Statistical Process Control
Basic SPC Tools
In statistical control: a process operating with only chance
causes of variation
Out of control: a process operating in the presence of
assignable causes
A control chart

Chapter Inference about Process Quality
Chapter 4. Inference about Process Quality
Random
Sample
Statistics
Chi
Chi-square (2) Distribution
Di
mean = n
variance
variance 2 = 2n
(
Let x1 , x2 , x3 ,., xn be randome sample from N ,
2
).
y has a chi-square

Final Exam ESE 405
December 2009
Your Name: _
Your ID #: _
There are 3 problems in this examination.
1.(30 pts) Using the following 25 samples, determine X and R charts.
ii0
?j
,)
0,0
u+
(j
R
-32-V32
1\
3
-11 ~
-2S-1
00
21
00
3
-1
2
-2
3
-2t;"l./00
0
1
1

Chapter 8. Process and Measurement
System Capability Analysis
Process Capability
Natural tolerance limits are defined as follows:
Uses of process capability
p
p
y
Reasons for Poor Process Capability
Process may have g
y
good
potential capability
Data coll

Chapter 7. Control Charts for Attributes
Control Chart for Fraction Nonconforming
g
Fraction nonconforming is based on the binomial distribution.
n: size of population
p p
p: probability of nonconformance
D: number of products not conforming
Successive pr

Midterm
Exam ESE 405/505
October
Your Name:
S"u (4
17, 2007
n-()"'\
S
Your ID #:
There are 3 problems in this examination.
1.(30 pts) This problem is about three widely used probability distributions.
Binomial Probability
What is the probability that five

ESE 405 Project
Fall 2009
Assigned Date: October 12, 2009
Due Date: December 2. There will be group presentations in class.
Throughout the semester, we will study various issues regarding the quality in processes.
The process in the context of this class

ESE 405 Project
Fall 2011
Assigned Date: October 26, 2011
Due Date: December 12. There will be group presentations in class.
Throughout the semester, we studied (and continuously will) various issues regarding the
quality in processes. The process in the

Chapter 2. Modeling Process Quality
Stem-and-Leaf Display
numbers above
above
numbers
within
Percentile
Sample median or fiftieth percentile
First quartile (Q1), third quartile (Q3)
quartile (Q1) third quartile (Q3)
Interquartile range (Q3-Q1)
numbers

Chapter Inference about Process Quality
Chapter 3. Inference about Process Quality
Random
Sample
Statistics
Chi
Chi-square (2) Distribution
Di
mean = n
variance
variance 2 = 2n
(
Let x1 , x2 , x3 ,., xn be randome sample from N ,
2
).
y has a chi-square

ESE 405 Homework Assignment 3
Chapter 4 of Text
Assigned Date: October 20, 2008
Due Date: N/A. Do not turn in. For your exercise only.
Problem 4.1
Problem 4.3
Problem 4.5
Problem 4.8
Problem 4.10
Problem 4.12
Problem 4.16
Problem 4.17
Problem 4.19
Problem

Final Exam ESE 405
December 15 or 21, 2011
Your Name: _
Your ID #: _
There are 4 problems in this examination.
1.(30 pts) Consider the following 25 samples.
Xl
Xl
0.0619
0.0634
0.0631
0.0636
0.0615
0.0640
0.0632
0.0635
0.0644
0.0613 Xl
0.0623
0.0628
0.063

1.(30 pts) This problem is about three widely used probability distributions.
Binomial Probability
What is the probability that five fair coins thrown together show three or more heads?
feAlr
(0 ~
('
P fa b
(3
-=->
P ~b
(l-fe ~cri
O'r rnO\.L ~o(~)
=-.
-!i

ESE 405 Project
Fall 2010
Assigned Date: November 1, 2010
Due Date: December 8. There will be group presentations in class.
Throughout the semester, we studied various issues regarding the quality in processes.
The process in the context of this class is