6-70 CHAPTER 6 CONTROL CHARTS FOR VARIABLES
6.58.
A normally distributed quality characteristic is monitored through use of an x and R chart. These charts have
the following parameters (n = 4):
Both c
IOE 466 Homework 2
Due: Thursday Jan. 28 before Class
Problem 1: problem 4.4 (b) & (d) on page 175 in textbook
(hint: you can use Excel to get the P-values or use the t-table to get the
bounds)
(b) Fr
IOE 466-Statistical Quality Control
Lec 18-20
Ch8: Measurement System Analysis
Instructor: Judy Jin
Professor
Department of Industrial and Operations Engineering
The University of Michigan
IOE466_W16_
IOE 466-Statistical Quality Control
Ch9 CUSUM/ EWMA/ MA
(Lectures 14 -16)
Instructor: Judy Jin
Department of Industrial and Operations Engineering
The University of Michigan
IOE466W16, Jin, Ch9 CUSUM
IOE 466
Summary of Prerequisites
in Chapters 3 & 4 (Lectures 2~4)
Instructor: Prof. Judy Jin
Dept. of Industrial and Operations Engineering
The University of Michigan
1
IOE466W16_Jin, Ch3&Ch4
Need for
IOE 466 Homework 7
Due: Thursday March. 24 before Class
Problem 1: problem 9.4 in textbook (3 points)
Hint for (b): use MR chart to estimate sigma. Compare whether the estimated sigma is close to the
IOE 466 Statistical Quality Control
Practice Exam II
NOTES:
Only two pages (two sides) formula sheet are allowed (any other references should NOT
be put on the table).
A calculator is allowed, but o
IOE 466 Statistical Quality Control
Exam I (Feb. 25, 2015)
12:00~1:30 pm (80 mins)
NOTES:
Only one page (two sides) formula sheet is allowed (any other references should NOT be
put on the table).
A
IOE 466 Statistical Quality Control
Practice Exam I
(80 mins)
NOTES:
Only one page (two sides) formula sheet is allowed (any other references should
NOT be put on the table.)
A calculator is allowed
Final Exam
Rules & Review
IOE 466 W16
1
When, Where
When: April 21 (TH) 4~6pm (SHARP)
Where: 1670 Beyster.
2
1
Information:
You are ONLY allowed to bring
A calculator.
Except for calculator, you cann
IOE 466
Statistical Quality Control
Lecture 17
Ch8: Process Capability Analysis
Instructor: Judy Jin
Professor
Department of Industrial and Operations Engineering
The University of Michigan
1
IOE 466_
IOE 466 Homework 8
Due: Thursday March. 31 before Class
Problem 1: problem 8.24 in textbook and part (c) (1 + 2 +2 = 5 points)
(c) If the process mean can be centered to its design target, what are Cp
IOE 466 - Statistical Quality Control
Ch7: Control Charts for Attributes
March 8, 2016
1
IOE 466W16 Jin, Ch7_Control Charts for Attributes
Outline
Review c and u charts
Statistical assumptions
Moni
IOE 466 Homework 9
Due: Thursday Apr. 14 before Class
Problem 1: (5 points)
Consider the partially filled ANOVA table below from a Gage R&R experiment. Within
each group, four products were measured b
IOE 466 Homework 6
Due: Thursday March. 17 before Class
Problem 1: (0.5 + 0.75 + 0.75 = 2 points)
(c) If the process is getting worse with the average 5 nonconformities per machine,
what is the probab
IOE 466 Homework 3 Solution
Problem 1: problem 5.16 on page 231 in textbook (1 point)
Solution:
Type I and II error probabilities contain information on statistical performance; an ARL
results from th
IOE 466 Homework 4
Due: Thursday Feb. 11 before Class
Problem 1: problem 6.32 in textbook, (a) & (b) only, (c) see below (1.5
points)
(c) What are the warning control limits using K = 2 for x-bar and
IOE 466 Homework 5
Problem 1: problem 7.34 in textbook (2 points)
Solution:
We need to find n such that Pr D 1 0.9 Pr D 0 1 0.9 0.1 .
From the binomial distribution,
n
n
n
Pr D 0 1 p 1 0.01 0.99n 0.1
IOE 466 Homework 1
Due: Thursday Jan. 21 before Class
Problem 1: problem 1.3 on page 47 in textbook (1 point)
Solution: there are many products that can be used for illustration, and here we take
the
IOE 466 Homework 8
Due: Thursday Nov. 30 before class
Problem 1: problem 8.32 in textbook (2 + 1.5 + 1.5 = 5 points)
Hint: Please use the control chart method to solve this question.
IOE 466 Homework
IOE 466 Homework 2
Due: Thursday Sep. 28 before class
Problem 1 (1.5 points): problem 4.4 (b) & (d) on page 175 in textbook
Hint:
You can use Excel to get the exact P-values or use the t-table to get
IOE 466 Homework 5
Due: Thursday Nov. 2 before class
Problem 1 (2 + 2 + 1 = 5 points)
Based on historical production data, we found the total of 100 defects within 500
boards.
(1) In the first month,
IOE 466 Homework 3.5
Problem 1: problem 6.32 in textbook, (a) & (b) only, (c) see below
(c) What are the warning control limits using K = 2 for x-bar and R charts?
IOE 466 Homework 3.5
Problem 2: prob
IOE 466
Statistical Quality Control
_ Course Introduction & Ch1 (Lec1)
(Tuesday and Thursday 1:30-3:00pm)
Instructor: Prof. Judy Jin
Dept. of Industrial and Operations Engineering
The University of Mi
IOE 466 Homework 3
Due: Thursday Oct. 5 before class
Problem 1 (1 points): problem 5.2 on page 231 in textbook
Problem 2 (1.5 points):
The inner-diameter of piston rings follows a normal distribution
IOE 466 - Statistical Quality Control
Ch6: Control Charts for Variables
Instructor: Judy Jin
Department of Industrial and Operations Engineering
The University of Michigan
[email protected]
IOE466F16_Ji
IOE 466 Statistical Quality Control
Practice Exam I
(80 mins)
Please note:
This set of practice questions is given with the main purpose to help you understand
the types of exam questions, and the ap
IOE 466 Statistical Quality Control
Practice Exam I
(80 mins)
Please note:
This set of practice questions is given with the main purpose to help you understand
the types of exam questions, and the ap
IOE 466 - Statistical Quality Control
Methods and Philosophy of
Statistical Process Control
(Lectures 5 &6)
Instructor: Judy Jin
Professor
Department of Industrial and Operations Engineering
The Unive
Qutstioni (poinmtntnl,eaeh15pnints)
TrneIFalse. Each ofthe following statements can be TRUE or FALSE. Mark T" iftrue
or F" iffalse in the parenthesis below for each statement (There is no need to show
IOE 466 Homework 3
Due: Thursday Feb. 8 before class
Problem 1 (2 points): problem 5.2 on page 231 in textbook
Problem 2 (3 points):
The inner-diameter of piston rings follows a normal distribution wi
IOE 466 Homework 5
Due: Thursday Feb. 22 before class
Problem 1: problem 7.34 in textbook (2 points)
Problem 2: Problem 7.16 in textbook (2 points)
(Note: if there is a point beyond the control limits
IOE 466 Homework 6
Due: Thursday March 8 before class
Problem 1 (2 points)
You have a new device that is being used for a medical experiment. It rarely produces
one kind of infection, but you want to
IOE 466 Homework 4
Due: Thursday Feb. 16 before class
Problem 1: problem 6.42 in textbook (2 points)
IOE 466 Homework 4
Due: Thursday Feb. 16 before class
Problem 2: problem 6.32 in textbook, (a) & (b