IE 400
A. Chronopoulou
Choose the appropriate design!
1. Consider an experiment for testing the abrasion resistance of rubber-covered fabric in a Martindale
wear tester. There are four types of materi
IE 400
Homework 7
A. Chronopoulou
Homework 7: Factorial Designs
SOLUTIONS
1. An engineer is interested in the effects of cutting speed (A), tool geometry (B), and cutting angle
(C) on the life (in hou
IE 400
Homework 4
A. Chronopoulou
Homework 4: Two-Factor ANOVA & CRBD
Solutions
1. In a study of the effect of applicants eye contact (factor A) and personnel officers gender (factor
B) on the personn
IE 400
Homework 6
A. Chronopoulou
Homework 6: BIBD
Solutions
1. An automotive engineer wished to evaluate the effects of four rubber compounds on the life of automobile tires. The manufacturing proces
IE 400
Homework 3
A. Chronopoulou
Homework 3: Single & Two Factor ANOVA
solution
1. Filling Machines
A company uses 6 filling machines of the same make and model to place detergent into cartons that
s
IE 400
Homework 5
A. Chronopoulou
Homework 5: Latin/Graeco-Latin Square Designs
Solutions
1. A manufacturer conducted a small pilot study of the effect of the price of one of its products on
sales of
IE 400
A. Chronopoulou
Practice Problems on One-Factor ANOVA
Problems from Montgomerys book
(Wherever you see Fishers LSD method, you can use Tukeys or Bonferronis method.)
Page 130, Problem 3.5
Pag
IE 400 Fall 2016
A. Chronopoulou
IE 300 Review Problems
Solutions will not be posted for these problems, but you are more than welcome to my office hours to
discuss their solution!
1. A physician clai
IE 400
A. Chronopoulou
Homework 1: Simple Experiments
Due: Beginning of class Th 09/07
Submission: On Compass 2g
1. The time needed for college students to complete a certain maze follows a normal dis
IE 400
Homework 2
A. Chronopoulou
Homework 3: 2-Way ANOVA
Due: Beginning of class 09/26
Remark: In the questions below, (SAS) indicates that you should use SAS to obtain the answer to the
question. Pl
IE 400
Homework 2
A. Chronopoulou
Homework 2: One-Way ANOVA
Due: Beginning of class 09/19
Remark: In the questions below, (SAS) indicates that you should use SAS to obtain the answer to the
question.
IE 400
Case Study #1
Fall 2017
The Wood Block Experiment
Instructor: A. Chronopoulou
Overview
In this experiment, you will design, conduct and analyze results from your own experiment.
Specifically, y
IE 400
Case Study #2
Fall 2017
The Coffee Tasting Experiment
Instructor: A. Chronopoulou
Overview
In this experiment, you will design, conduct and analyze results from your own experiment to
test the
IE 400
Homework 7
A. Chronopoulou
Homework 7: Factorial Designs
Due: 11/10 (beginning of class)
1. An engineer is interested in the effects of cutting speed (A), tool geometry (B), and cutting angle
(
IE 400
Homework 5
A. Chronopoulou
Homework 5: Latin/Graeco-Latin Square Designs
Due on Tuesday 18/11
For this Homework, feel free to use SAS any way you prefer: you can get all your answers through SA
Balanced Incomplete Block Design
Alexandra Chronopoulou
Example: Food Product Taste-Testing
A food manufacturer wishes to assess consumer
acceptance of 5 breakfast cereal formulations.
The formulati
Latin Square Designs
Alexandra Chronopoulou
CRBD: Use of More than One Blocking Variable
Consider the following experiment:
Experimental Unit: Store
Group store with respect to:
Sales Volume (6 cla
Simple Comparative Experiments
Lectures 2 3
Alexandra Chronopoulou
August 25/ 30, 2016
One Sample Inference for the Mean
Consider a random sample y1 , y2 , . . . , yn from a population
with mean and s
Fractional Factorial Designs
Alexandra Chronopoulou
Factorial Designs
Suppose that you have k factors (A, B, . . ., K) in an
experiment:
What are all the possible factorial effects?
If k = 10, how m
Two Factor Studies
Alexandra Chronopoulou
Fall 2016
Two factor experiments: Examples
Investigate the effects of selling price and type of
promotional campaign on sales of a product.
Study the effect
The 2k Factorial Design
Alexandra Chronopoulou
The 2k Factorial Design
k Factors
Each factor has 2 levels (often labeled + and )
The factors need not be on numeric scale
A complete replicate of th
Single Factor Analysis of Variance
or One Way ANOVA
Alexandra Chronopoulou
Lectures 3 5
Single Factor ANalysis Of VAriance
ANOVA models are a basic type of model describing the
statistical relation b
IE 400
Homework 4
A. Chronopoulou
Homework 4: Two-Factor ANOVA & CRBD
Due on Tuesday 10/11
For this Homework, feel free to use SAS any way you prefer: you can get all your answers through SAS,
or none
IE 400
Homework 2
A. Chronopoulou
Homework 2: One-Way ANOVA
Due: Beginning of class Th 09/15
1. A company, studying the relation between job satisfaction and length of service of employees,
classified
IE 400
Homework 1
A. Chronopoulou
Homework 1: Simple Experiments
Due: Beginning of class Th 09/06
1. Photoresist is a light-sensitive material applied to semiconductor wafers so that the circuit patte
IE 400
Homework 2 - Solutions
A. Chronopoulou
Homework 2: One-Way ANOVA
SOLUTIONS
1. A company, studying the relation between job satisfaction and length of service of employees,
classified employees
IE 400
Homework 6
A. Chronopoulou
Homework 6: BIBD
Due on Tuesday 10/25
For this Homework, feel free to use SAS any way you prefer: you can get all your answers through SAS, or none,
or a mix of SAS a
Comment on the number of blocks:
We consider 3 defining relations which lead in 2^3 = 8 different runs (think of 2^3 distinct combinations of +/- ). Since
we have 2^7 design (i.e. 128 distinct runs) w