STA 6207 Regression Analysis
Instructor: Dr. Larry Winner
Office: 228 Griffin/Floyd
Phone: (352) 273-2995
E-Mail: [email protected]
Office Hours: M 10:00-11:00, Tu 8:30-9:30, W 11:00-12:00
Text: Applied Regression Analysis, 2nd. Ed. by Rawlings, Pantula
STA 6208 Exam 1 Spring 2014
PRINT NAME _
For Each Problem, use = 0.05 Significance level.
Q.1. An accounting researcher is interested in comparing two methods of training auditors for preparing tax returns. She
wants to choose equal sample sizes for a 2-s
STA 6208 Spring 2012 Exam 2
PRINT Name _
Note: Conduct all tests at at = 0.05 significance level
Q.1. For the 2-way ANOVA with one fixed factor, 1 random factor and a random interaction, considering the following model:
yijk i b j ab ij eijk
a
i 1
i
0 b
STA 6208 Exam 1 Spring 2014
PRINT NAME _
For Each Problem, use = 0.05 Significance level.
Q.1. An accounting researcher is interested in comparing two methods of training auditors for preparing tax returns. She
wants to choose equal sample sizes for a 2-s
Likelihood Ratio, Wald, and
Lagrange Multiplier (Score) Tests
Soccer Goals in European Premier
Leagues - 2004
Statistical Testing Principles
Goal: Test a Hypothesis concerning parameter
value(s) in a larger population (or nature), based on
observed sampl
STA 6208 Exam 3 Spring 2013 PRINT Name _
Conduct Individual Test/CIs at = 0.05 significance level, and all simultaneous tests/CIs @ experimentwise rate 0.05
Q.1. A randomized complete block design is conducted with 2 (fixed) treatments in 3 blocks.
Case 1
STA 6207 Fall 2001 Quiz 2
SSN:
Print Name:
1) Adhesive force on gummed material was determined under three fixed humidity (factor A) and three
fixed temperature (factor B) conditions. Four readings were made under each set of conditions. The experiment wa
STA 6207 Fall 2001 Exam 3
Print Name:
SSN:
1) An advertising executive wishes to study the effects of three factors on consumers liking of her clients
product (Y , on a scale of 0100). The three factors are: the length of the ad (factor A, with levels of
Probability and Distributions
A Brief Introduction
Random Variables
Random Variable (RV): A numeric outcome that results from
an experiment
For each element of an experiments sample space, the
random variable can take on exactly one value
Discrete Rand
STA 6207 Fall 2001 Quiz 3
SSN:
Print Name:
A college swim team has a pool with 5 lanes (columns) and 5 swimmers (treatments). The coach would
like to compare the mean times to swim 100 meters among her five swimmers under competitive conditions
in a latin
STA 6208 Spring 2013 Exam 2
PRINT Name _
Conduct all Tests at = 0.05 significance level, and all Multiple Comparisons at
experiment-wise E = 0.05 significance level. For Mixed models, use the unrestricted case.
Q.1. An experiment is conducted to compare 4
STA 6208 Exam 1 Spring 2015
PRINT NAME _
For Each Problem, assume the Completely Randomized Design (1-Way ANOVA):
Yij i eij i eij
i 1,., t ; j 1,., ri
eij ~ NID 0, 2
t
r
i 1
i i
0
Q.1 Derive Ecfw_MSTrts for the balanced 1-Way ANOVA with t treatments and
73715/ 2: $7?
STA 6208 Exam 3 Spring 2015 PRINT Name I4 dsw 6%, MY
Conduct Individual Test/Cls at a = 0.05 significance level, and all simultaneous tests/Cls @ experimentwise rate 0.05
Q]. A splitplot experiment was conducted, comparing 4 coagulant treatm
Q. l. A study measured Total Mercury levels (Y, in mg/ g) in a sample of n=l35 Kuwaiti men. The independent
variables were: X1=l if sherman, 0 if not; X2 = Weight (kg); and X3 = # Fish Meals/ Week. The matrix results
are given below.
_
100- 881-
845-
6463
STA 6208 Final Exam Topics All material that appeared on exams 1, 2 Randomized Complete Block Design Latin Square Design Balanced Incomplete Block Design (Intra-Block Analysis) k 2 Factorial Experiments (CRD, and confounded in BIBD) Analysis of Covariance
STA 6208 Exam 3 Spring 2012 PRINT Name _
Conduct Individual Test/CIs at = 0.05 significance level, and all simultaneous tests/CIs @ experimentwise rate 0.05
Q.1. A 23 factorial experiment is conducted to determine the main effects and interactions among 3
STA 6208 Course Notes and R Programs
Larry Winner
Department of Statistics
University of Florida
Chapter 1 - Introduction/Review
1.1 Mathematical Operations Summation Operators
Consider sequences of numbers and numeric constants.
n
Sum of a sequence of Va
STA 6207 Regression Analysis Exam 1 Topics
Functions of Normal Random Variables (New Course Notes (NCN) Section 1.3)
Simple Linear Regression in Scalar Form (RPD - Chapter 1.1-1.7, NCN Chapter 2)
o Model and Assumptions
o Least Squares Estimation
o Predic
STA 6207 Exam 1 Topics Spring 2017
Comparing 2 Populations
o Two Means Independent Samples with Equal Variances
o Two Means Paired Samples
o Two Variances Equal Variances
Statistical Model for Completely Randomized Design
o Least Squares Estimation
o Anal
STA 6207 Fall 2002 Exam 1
Print Name:
SSN:
All questions are based on the Completely Randomized Design with normally and independently distributed errors with zero mean and constant variance
1) A study was conducted to compare the effects of five brands o
STA 6207 Fall 2002 Exam 1
Print Name:
SSN:
Note: For a set of constants k1 , . . . , kn :
Y1 , . . . , Yn N (i , i2 )
E(
n
X
ki Yi ) =
i=1
n
X
ki i
i=1
V(
n
X
i=1
ki Yi ) =
n
X
ki2 i2 +2
i=1
Also Note: For sets of constants cfw_li and cfw_mj :
Cov(
nx
X
STA 6207 Fall 2001 Exam 2
Print Name:
SSN:
Instructions: This is a takehome exam. Do not consult with anyone concerning the work you are asked
to do. Due Time: Wednesday, November 14, 8:30AM. A penalty of 10% will be assessed for late
exams. Show all hand
STA 6208 Exam 3 Spring 2015 PRINT Name _
Conduct Individual Test/CIs at = 0.05 significance level, and all simultaneous tests/CIs @ experimentwise rate 0.05
Q.1. A split-plot experiment was conducted, comparing 4 coagulant treatments of camel chymosin (HB
STA 6208 Spring 2014 Exam 2
PRINT Name _
Note: Conduct all tests at at = 0.05 significance level
Q.1. For the 2-way ANOVA with one fixed factor, 1 random factor and a random interaction, considering the following model:
yijk i b j ab ij eijk
a
i 1
i
0 b
STA 6208 Exam 3 Spring 2012 PRINT Name _
Conduct Individual Test/CIs at = 0.05 significance level, and all simultaneous tests/CIs @ experimentwise rate 0.05
Q.1. A randomized complete block design is conducted with 2 (fixed) treatments in 3 blocks.
Case 1
STA 6208 Spring 2011 Exam 1 PRINT Name _
Q.1. An experiment is conducted to compare 3 equally spaced dryer temperatures on fabric shrinkage. The researcher
samples 15 pieces of wool fabric (labeled specimen1-specimen15). He generates random numbers for ea
STA 6208 Spring 2011 Exam 2
PRINT Name _
Note: Conduct all tests at at = 0.05 significance level
Q.1. For the 2-way ANOVA with fixed effects and interaction, considering the following two models:
1)
yijk i j ij ijk
i 1,., a; j 1,., b; k 1,., r
i
i
2)
j
STA 6208 Exam 3 Spring 2011 PRINT Name _
Conduct Individual Test/CIs at = 0.05 significance level, and all simultaneous tests/CIs @ experimentwise rate 0.05
Q.1. A randomized complete block design is conducted with 3 (fixed) treatment in 3 (random) blocks
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STA. 6208 t Spring 2016 m Exam 2 P T Name W
Note: Conduct all tests at at on = 0.05 signicance level and Show all work for any partial credit on
numeric (calculation) problems.
r 2
, g. . [Eat/IS ]
Satterthwaite s Approximation. 0* M
STA 6208 99 Exam 1 Spring 2015
For Each Problem, assume the Completely Randomized Design (1Way ANOVA):
_ . g l 5.31.92".'5m: 1
mm 1-
9-
- 92-992- _
5.055 3.331 9.793 10.881- 13.027_
B 22299
. 77777 2
I 4.501 5.910 7.502 5.037 5.475 8.852
4.303
T0141 ' QC?
' STA 6207 Exam 1 Fall 2016 PRINT Name NWEIL a?
Unless stated otherwise, Questions are based on the following 2 regression models, and X is full rank.
Modell: Yi=O+1X+8i i=1,.,n 8i~NID(O,02)
Mode12zY=XB+s Xsnx2 522x1 s~N(0,021)
Given:
d(a 'x)
an :9: a: an
STA 6208- Exam 2 Spring 2015- PRINLi? Name
Conduct Individual Test/Cls at or = 0.05 significance level, and all simultaneous tests/Cl's @ experimentwise rate 0.05
Q. 1. An experiment is conducted to study variation in breaking strength of den