9.8 (Page 254)
A bivariate control ellipse could be used with either subgroups or individual observations,
but what is one major shortcoming of that approach?
One major shortcoming of that approach is that the time order is not indicated so it is not
clea
Empirical - Based on or relating to observational evidence. Thus an empirical fact would be a
fact substantiated by evidence.
Enlightenment - A period in European intellectual history from the later seventeenth century to
the early nineteenth characterize
Todd Nimmer
Bus. Adm. 311-401
Bus. Adm. 311-605
Homework Assignment S6
Text: Create a form that could be used to record monthly observations in University Information Technical
Services help desk service process needed to create a Balanced Scorecard.
Fina
Solution for Week 12 HW
Text: Create a form that could be used to record monthly observations in UITSs help desk
service process needed to create a Balanced Scorecard.
The solution from our side is the same as the example that we initially created below.
Final Exam ESE 405/505
December 15,2008
Your Name:
So\V\-t\OfhS
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
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
00Solution for WK11 HW:
(1)9.8 (Page 254)
A bivariate control ellipse could be used with either subgroups or individual observations,
but what is one major shortcoming of that approach?
One major shortcoming of that approach is that the time order is not
Key to WK8
S4
Here are some examples; you should come up with other example(s):
First scenario:
UITS staff waiting for providing services (if staff at the help desk
cannot solve the problems, they will get help from other staff for help).
Without customer
6
Control Charts for Variables
53
The previous table will be used throughout this section. We begin with x and R charts.
The x-chart is used to check if the mean of a process characteristic is on aim.
Because the variability of the process may cause th
Key to ABPA homework:
Identify appropriate measures to observe so that an ABPA can be executed
quarterly on the service process you flowcharted in week8.
Refer to figure 4.3 (p123) and figure 4.4 (p126)
Find out what the cost drivers and customer revenue
Key for WK10 HW:
8.1
h: The choice of h should be made after careful consideration of all the relevant
factorsboth statistical and nonstatistical. Typically, h is chosen to be either 4 or
5.
1) If the mean shift could cause a considerable increase in the
WK13 Homework key
2. (1) H0: 1 = 2
Exact t test (n1=n2)
| t |=|-35.355|=35.355 > t.05, (10-2) =1.86
We reject H0 and conclude that the mean values of the two groups are different.
(2) No.
(3) Standard deviations will affect the test a lot.
3. p. 367
t wil
Solution for WK11 HW:
(1) 9.8 (Ryan book)
One major shortcoming of that approach is that the time order is not indicated so
it is not clear when the process is out of control.
(2) Paper problem:
In Talluri and Sarkis (2002), use Samples 1-10 (Table 5) as
Key for WK9 HW:
7.1.)
When is equidistant from USL and LSL:
We have USL - = - LSL
Cp =
Cpk=min (
,
)=
So Cp = Cpk
7.3.)
a) Cpk= Zmin
= min(
= min(
,
)
,
)
= min(4,2)
= *2=
b) Cpk= Zmin
= min(
= min(
,
)
,
)
= min(3,3)
= *3=1
Value of Cpk will increase
c)
1
Test 2 Spring 2011 Name:_
Show all work. Do not commit academic dishonesty. List any assumptions you need to
work a problem. BE NEAT! IF I CANNOT READ IT, IT MUST BE INCORRECT.
1. Specific Motors Street Legal Golf Cart Corp. has a new supplier for seat
FM OBrien Su04
Statistics and Probability on the TI 83
Entering Data
Data points are stored in Lists on the TI-83. If you haven't used the calculator before, you may want to
get rid of everything that was there. You do this by 2nd MEM (above the + sign),
Here are some examples for HW8, you should come up with other example(s):
First scenario:
UITS staff waiting for providing services (if staff at the help desk cannot
solve the problems, they will get help from other staff for help) Without
customer input,
Key for WK10 HW:
8.1
h: The choice of h should be made after careful consideration of all the relevant factors
both statistical and nonstatistical. Typically, h is chosen to be either 4 or 5.
1) If the mean shift could cause a considerable increase in the
Key for WK10 HW:
8.1
h: The choice of h should be made after careful consideration of all the relevant factors
both statistical and nonstatistical. Typically, h is chosen to be either 4 or 5.
1) If the mean shift could cause a considerable increase in the
Study Guide: Exam 3
Judgment and Decision Making Based on Low Consumer Effort
1. What is availability heuristic? What is representative heuristic? What is law of small
numbers?
2. What is operant conditioning? What is the difference between classical cond
Hints for WK10 HW:
8.1 (pp. 221, 223, 233)
8.2
(a) p. 224, Table 8.3, h=5, k=0.5, 1.5 mean shift (in standard units) ARL=?
(b) read p. 109 for ARL
UCL E ( X )
P( X > UCL ) = P( z >
)
X
ARL= 1/ P
(c)
In (a), we dont have to use subgroup size to get ARL. (S
Todd Nimmer
Bus Adm. 311-404
Bus Adm. 311-605
Chapter 8 Homework Assignment
8.1
h: The choice of h should be made after careful consideration of all the relevant factorsboth statistical and
nonstatistical. Typically, h is chosen to be either 4 or 5.
1) If
Key for WK9 HW:
7.1.
When is equidistant from USL and LSL:
We have USL - = - LSL
Cp =
Cpk=min (,) =
So Cp = Cpk
7.3.
a) Cpk=Zmin
=min(,)
=min( , )
=min(4,2)
=*2=
b) Cpk=Zmin
=min(,)
=min( , )
=min(3,3)
=*3=1
Value of Cpk will increase
c) Before
Z1=4 , Z2=
Formula Sheet and List of Symbols, Basic Statistical Inference
Symbol
What it Represents
X
variable
sample mean
population mean
sample standard deviation
sample variance
population standard deviation
population variance
sample proportion
population propor
Todd Nimmer
Bus. Adm. 311-401
Bus. Adm. 311-605
Homework Assignment Chapter 13
13.2 H0: 1 = 2
Exact t test (n1=n2)
| t |=|-35.355|=35.355 > t.05, (10-2) =1.86
We reject H0 and conclude that the mean values of the two groups are different.
13.2 No.
13.2 St
Cost Drivers
Employee Salaries
Rent
Electricity
Cleaning
Measurements
Salaries Paid
Rent Paid
Electric Bills Paid
Cleaning Supplies
Revenue Drivers
Fees from Help Desk
Charges from services provided
Sales from Technology Store
Add-ins to goods and Service
EXAM#2 Solutions
Problem 1: Statistical monitoring of a quality characteristic uses both an x and a
R chart. The charts are to be based on the standard values = 200 and = 10,
with n = 4.
(a) (5 points) Find the 1- control limits for the x and R chart.
X -