Statistics 106
UC Davis, Summer Session I 2013
Homework Assignment #1
Due date: Monday 6/30
Problems from the textbook:
16.3
16.5
16.6
16.8
16.12
16.16
16.17
please note that you can nd datasets from the textbook at
http: / www. stat. lsu. edu/ exstweb/ s
Statistics 106
UC Davis, Summer Session I 2014
Homework Assignment #2
Due date: Monday 7/7
1. 17.2
2. 17.3
3. 17.5
4. 17.6
5. 17.10
6. 17.11 (parts a-d only)
7. 17.14
8. Read the comic at http:/xkcd.com/882/. In your own words, explain what is going on he
A. Farris
STA 106
Practice Final Exam
Summer 2014
Name:
Answer ALL of the following questions. Explain your answers succinctly for full credit.
1. (15 points) Consider the model
Yij = i +
ij ,
where i = 1, . . . , r, j = 1, . . . ni for each i, E( ij ) =
A. Farris
STA 106
Practice Midterm I
Summer 2014
Name:
Answer ALL of the following questions. Explain your answers succinctly for full credit.
1. (25 points) A sociologist intends to randomly select student volunteers to participate in a
study. These stud
A. Farris
STA 106
Practice Final Exam
Summer 2014
Name:
Answer ALL of the following questions. Explain your answers succinctly for full credit.
1. (15 points) Consider the model
Yij = i +
ij ,
where i = 1, . . . , r, j = 1, . . . ni for each i, E( ij ) =
A. Farris
STA 106
Practice Midterm I
Summer 2014
Name:
Answer ALL of the following questions. Explain your answers succinctly for full credit.
1. (25 points) A sociologist intends to randomly select student volunteers to participate in a
study. These stud
Handout 9 9(54 hh
to I: r; 043 ._
1. In the last class we started with multiple comparison procedures, that is we were more interested in
F confidence levels and family-wise error rates than at an individual level.
2. Note we used the term family-wise. Wh
18. But can we use the above as an actual measure? Why?
19. What do we do instead? 1.
Y . ,
f nt ( Y; Y")
H
Y 2 he 20 " 3: I~"Yl
20. What is the expected value of the above stably?
2 Lecture 4; :ANQVA- decomposition Zr: ~
1. What is to TOTAL varia
#1
#a)
curve(dnorm(x,mean=5.1,sd=2.8 ),-10,20, ylab=', col='red',
main = 'Superimposed Normal Density')
curve(dnorm(x,mean=6.3,sd=2.8),add=TRUE, col = 'blue')
curve(dnorm(x,mean=7.9,sd=2.8),add=TRUE, col = 'black')
curve(dnorm(x,mean=9.5,sd=2.8),add=TRUE,
STAT106 Fall 2016 Syllabus
Lecture
01
Date
Week 1: W 9.21
07
Topic
Course overview;
Introduction
Week 1: F 9.23
Basic concepts of
experimental
design
Single Factor ANOVA Models
Week 2: M 9.26
Single fac
Statistics 106
Homework 7
Due: Nov. 21, In Class
25.3
In each of the following cases, indicate whether ANOVA model I or modell II is more appropriate and
state your reasons:
a. In a study of absenteeism at a plant, the treatments are the three 8-hour shif
Statistics 106
Homework 8
Due Nov. 28 In Class
25.13
In a two-factor ANOVA study with a = 3, b = 2, and n = 5, the two factor effects are both random with
2 = 5.0, 2 = 8.0, 2 = 10.0, and 2 = 6.0. Assume that ANOVA model is applicable.
1. Obtain Ecfw_MS A,
Statistics 106
Homework 4 Solution
Not Due
18.6
Refer to Rehabilitation therapy Problem 16.9.
a. Obtain the residuals and prepare aligned residual dot plots by factor level. What departures from
ANOVA model can be studied from these plots: What are your f
Statistics 106
Solutions for Homework 6
Due : Nov. 14, 2016, In Class
20.5
Brainstorming. A researcher investigated whether brainstorming is more effective for larger groups
than for smaller ones by setting up four groups of agribusiness executives, the g
Statistics 106
Homework 5 Solutions
Due : Nov. 7, 2016, In Class
19.5
In a two-factor study, the treatment means i j are as follows:
Factor B
Factor A B1
B2
B3
B4
A1
250 265
268
269
A2
288 273
270
269
a. Obtain the factor B main effects. What do your resu
Statistics 106
Homework 3 Solution
Due : Oct. 17, 2016, In Class
17.1
A student, asked to give a class demonstration of the use of a confidence interval for comparing two
treatment means, proposed to construct a 99 percent confidence interval for the pair
STA 106: HW 2 SOLUTIONS
October 10th, 2016
16.4
a.
The three distributions we draw belong to the normal family.
Y1 N (65, 3), Y2 N (80, 3), Y3 N (95, 3)
Generate the X domain based on the +/- 3 standard deviations of the mean.
x <- seq(from = 54, to = 107
Statistics 106
Homework 9 Solutions
Not Due
25.21
Muscle tissue. A physiologist studied the effects of three reagents on muscle tissue in dogs. Ten litters
of three dogs each were randomly selected and the three reagents were randomly assigned to the thre