ISYE 3039 Methods for Quality Improvement
Spring 2015
Homework 3 Solution
Due:
Problem 1
A quality characteristic is monitored by a control chart designed so the probability that an
out-of-control con
ISYE 3039 Methods for Quality Improvement
Spring 2013
Homework 5 solution
Due: April, 1st, 2013
Problem 1 (30 points)
Analyze the data collected in the 23 design shown below. Please calculate all main
ISyE 3039 Section A
Methods for Quality Improvement
Spring 2014
Midterm I Solution
March 9, 2014
1. Solution:
(1) F
(2) T
(3) F
(4) T
2. Solution:
(a) 0 = 5.2500, n = 20, = 0.001
H0 : = 0
HA : = 0
(b)
ISyE 3039 Homework #3
5.1
(a)
n = 5, x =
x
i =1
24
i
24
= 34.0, R =
R
i =1
24
i
24
= 4.708
Control Limits for x Chart UCL = x + A2 R = 34.0 + 0.577 = 36.72 4.71 CL = x = 34.0 LCL = x - A2 R = 34.0 -
ISyE 3039 A Homework 7 Fall 2016
* Solutions *
This homework assignment is due Monday, November 14, at the beginning of class. You are
encouraged to discuss homework problems with your fellow students
ISyE 3039 Methods for Quality Improvement
Practice Exam I (50 mins)
NOTES:
1. A two sided formula sheet is allowed. A calculator is allowed.
2. Write your answer on this exam paper.
3. The test is wor
ISyE 3039 A In-class Exercise 1 Fall 2016
* Solutions *
Name (print): _
Write short answers below based on using Minitab. Collaboration is allowed. You may also use
any information from the class disc
ISyE 3039 Section A
Methods for Quality Improvement
Spring 2014
Homework 3 Solution
February 17, 2014
1. Solution:
No. The fact that a process operates in a state of statistical control does
not mean
ISYE 3039 Methods for Quality Improvement
Fall 2015
Homework 4
Problem 1
Problem 2
Control charts on X and S are to be maintained on the torque reading of a bearing used in
a wingflap actuator assembl
ISYE 3039 Methods for Quality Improvement
Spring 2013
Homework 7 solution
Problem 1 (30 points)
Since the implementation of an SPC program in the foundry department in January 1990,
the engineers had
ISyE 3039 Statistical Methods for Quality Improvement
Practice Questions for Exam II (120 mins)
NOTES:
1. Two (letter-size, double-sided) formula sheets are allowed.
2. A calculator is allowed (laptop
ISyE 3039 F13 - HW5
No need for submission
Problem 1: 6.19
Samples of n = 4 items are taken from a process at regular intervals. A normally dis
tributed quality characteristic is measured and X and S
ISYE 3039 Methods for Quality Improvement
Spring 2015
Homework 2 Solution
Due:
Problem 1
A hot-tub manufacturer advertises that with its heating equipment, a temperature of 100 oF
can be achieved in a
ISYE 3039 - HW 5 Solutions
Tuesday Oct 1, 2013
Problem 1: 6.19
Samples of n = 4 items are taken from a process at regular intervals. A normally dis
tributed quality characteristic is measured and X an
ISyE 3039 A Homework 3 Fall 2016
* Solutions *
This homework assignment is due Wednesday 9/28 at the beginning of class. You are
encouraged to discuss homework problems with your fellow students. Howe
3039
HW 1
3.41 A stock brokerage has four computers that are used for making trades on the New
York Stock Exchange. The probability that a computer fails on any single day is 0.005.
Failures occur ind
ISyE 3039 Section A
Methods for Quality Improvement
Spring 2014
Homework 1 Solution
January 21, 2014
1. Patients arriving at an outpatient clinic are routinely screened for high
blood pressure. Assume
ISYE 3039 Methods for Quality Improvement
Spring 2013
Homework 6 solution
Problem 1
In a study to isolate both gauge repeatability and gauge reproducibility, two operators use the
same gauge to measur
ISyE 3039 Section A
Methods for Quality Improvement
Spring 2014
Homework 2 Solution
February 2, 2014
1. The diameters of aluminum alloy rods produced on an extrusion machine are known to have a standa
ISYE 3039 - HW 4 Solutions
Tuesday Oct 1, 2013
Problem 1: 6.17 (1 point)
Control charts on X and S are to be maintained on the torque reading of a bearing used
in a wingap actuator assembly. Samples o
ISyE3039 Methods for Quality
Improvement
Design of Experiments
ISyE3039_Ch13, Design of Experiments
1
Objectives of DOE
Two main objectives of DOE
To identify important factors affecting the respons
Exam 1: ISYE 3039 Methods for Quality Improvement
Fall 2017 solution
NOTES:
1. One page note sheet (double sided) is allowed. Calculators are allowed. Cell phone and
computer are not allowed during th
ISYE 3039-SHI Methods for Quality Improvement
Fall 2017
Homework 8: EWMA and CUSUM Charts
Problem 1
Consider an EWMA control chart. The target value for the process is 0 = 50 and = 2.
Use the followin
ISYE 3039-SHI Methods for Quality Improvement
Fall 2017
Homework 2: Inference on Process Quality
Due: Wednesday, September 13
Problem 1
A machine is used to fill containers with a liquid product. Fill
ISYE 3039-SHI Methods for Quality Improvement
Fall 2017
Homework 1: Modeling Process Quality
Due: Sept 6, 2017 (Weds)
Problem 1 (1.5 points)
The random variable x takes on the values 1, 2, or 3 with p