BTRY 6020
Homework #2
Spring 2013
Due Friday, February 15, 2013
NAME _Solutions_
NETID _ _
Please, check your lab section in the space provided below (Column #1).
Lab Section#
Day and Time
Teaching Assistant
1
Tuesday, 10:10-12:05 PM
Cecilia Earls
2
Tuesd

BTRY 6020 PRELIM 1
Spring 2013
Tuesday, February 19, 7:30pm, 101 BDF
SOLUTIONS
Last Name: _
First Name: _
NetID: _
Circle the name of your lab TA:
Cecilia Earls
Irina Gaynanova
Lynn Johnson
INSTRUCTIONS: Answer all questions. Show your work! An incorrect

BTRY 6020
Lab #6
Spring 2013
Part I: One-Way MANOVA
The multivariate equivalent of a one-way ANOVA is a one-way MANOVA. Suppose a
factor A has a levels and that p response variables are measured on each experimental
units. One-way MANOVA consists of compa

BTRY 6020
Lab #5
Spring 2013
Part I: Variance Components for Nested Models
The data in SemiConductor.csv comes from a study of variability in the thickness of the
oxide layer on silicon wafers. Measurements were taken at three randomly selected sites
on e

BTRY 6020
Lab #4
Spring 2013
Case Study on a Factorial Experiment
Box and Cox (1964) reported data from a study designed to investigate the effects of
certain toxic agents. There were two factors in this study: Poison (3 levels: 1, 2, and 3),
Medication (

BTRY 6020
Lab #3 Solutions
Spring 2013
Part I: Making Coded Scatter Plots
A coded scatter plot is helpful in determining whether or not regression lines for different
levels of a categorical predictor variable have the same slopes. They also help determin

BTRY 6020
Lab #2
Spring 2012
Part 1: Logistic Regression Analysis for Binomial
Outcomes
An experiment was conducted to investigate the effect of small electrical current intensity levels
on farm animals. The goal was to investigate whether high voltage po

BTRY 6020
Homework #5
Spring 2013
BTRY 6020 Statistical Methods II
Homework Assignment 5
Due Friday, April 19, 2013
NAME _SOLUTIONS_
NETID _
Please, check your lab section in the space provided below.
Lab Section#
Day and Time
Teaching Assistant
1
Tuesday

BTRY 6020
Homework #4
Spring 2013
Due Friday, March 29, 2013
NAME _SOLUTIONS
_
NETID _
Note: Please use JMP for all data analysis.
Please staple this page to your homework assignment as a cover sheet.
Please check your lab section in the space provided be

BTRY 6020
Homework #3
Spring 2013
Due Friday, March 8, 2013
NAME _SOLUTIONS_
NETID _
Please, check your lab section in the space provided below (Column #1).
Lab Section#
Day and Time
Teaching Assistant
1
Tuesday, 10:10-11:25 AM
Cecilia Earls
2
Tuesday, 8:

BTRY 6020
Homework #1 Solutions
Spring 2013
Due Friday, February 1, 2013
NAME _
NETID _
Please check your lab section in the space provided below.
Lab
Day and Time
Teaching Assistant
1
Tuesday, 10:10AM 12:05PM
Cecilia Earls
2
Tuesday, 8:00AM 9:55AM
Irina

BTRY 6020 PRELIM 2
Spring 2013
Tuesday, April 2, 7:30pm, 101 BDF
SOLUTIONS
1
Question 1
An advertisement company wants to estimate the effectiveness of their commercials on
children. Twenty children are selected randomly from three age groups (A1=5 -6 yea