BME 423
HOMEWORK SET #4
FALL 2008
In each problem, make sure that you: (1) state clearly which statistical procedure you are using and why you selected it; (2) state the null hypothesis for any questions in which an inference is made; (3) show cle
BME 423 Fall 2011
HOMEWORK #4
Due before class Wednesday November 30th, 2011
Please read the homework guidelines before starting your assignment. Tables necessary for
completing this homework can be found in your textbook and are posted on Blackboard.
1.
BME 423 Fall 2012
HOMEWORK #1
Due before class Wednesday September 26, 2012
Please read the homework guidelines before starting your assignment. Tables necessary for completing this
homework can be found in your textbook and are posted on Blackboard.
1. D
BME 423 Fall 2011
Homework 4 Solution
1. Nonparametric methods (13 points)
There are two treatments in the same group of subjects and the data is not normally distributed
Wilcoxon Signed-Rank test
Subject Pre-treatment 4-week post-treatment Difference |D
BME-423
HOMEWORK #2
FALL 2008
1. The table below is taken from a study investigating the cause of diarrhea in patients with gastroenteritis and shows the relationship between foreign travel and a positive result for the organism Providencia alcali
BME 423 Lecture Notes - Oct. 5, 2015
Methods for Proportions and Nominal Variables
IV. Contingency Table
A. The Idea
B. Chi Squared Statistic
C. Example
D. More than 2x2
E. Example
F. Subdividing Contingency Tables
1
z Statistic
p asp
6
0.32
19
p pla
18
BME 423 Fall 2012
HOMEWORK #3
Due before class Wednesday November 14th, 2012
Please read the homework guidelines before starting your assignment. Tables necessary for
completing this homework can be found in your textbook and are posted on Blackboard.
1.
BME 423 Lecture Notes - Aug. 31, 2015
Some Basic Probability
Probability and Random Variables
Discrete (vs. Continuous) RV
Gamblers Fallacy
Independent vs. Dependent Events
Discrete Random Variables
Probability Function (p.f.)
Distribution Function (
BME 423 Fall 2012
HOMEWORK #4
Due before class Wednesday Dec 5th, 2012
Please read the homework guidelines before starting your assignment. Tables necessary for
completing this homework can be found in your textbook and are posted on Blackboard.
For each
BME 423 Lecture Notes - Nov. 4, 2015
Multiple Treatments in Same Subject
Repeated Measures
I.
Paired t Test
A. Idea
B. Test procedure
C. Example
II. Sum of Squares ANOVA Framework Revisited
A. New Notation and Formulae
B. Cardiac Output Example
C. Nitric
BME 423 Lecture Notes - Sept. 14, 2015
Hypothesis Testing
Differences Between Groups
I. The Idea
II. Analysis of Variance (ANOVA or F Test)
A. Two Estimates of Variance
B. The F Statistic
III. Examples
A. Cell Phone Use and Sperm Motility
1
I. Comparing V
BME 423 Lecture Notes - Nov. 2, 2015
Multiple Linear Regression
III. Examples
A. Hypertension in Families
B. Infant Blood Pressure
C. Hypothesis Testing
Logistic Regression
I. Idea
II. Method
III. Examples
A. Coronary Heart Disease
B. O-ring Failure
1
Gen
BME 423 Lecture Notes - Sept. 28, 2015
Sampling Distributions
I. Expected Values (Again)
II. Estimators of the Mean
A. Properties
III. What is a Sampling Distribution
IV. The Central Limit Theorem
V. Other Sampling Distributions
1
Motivation
Understandin
BME 423 Fall 2012
HOMEWORK #2
Due before class Wednesday October 17, 2012
Please read the homework guidelines before starting your assignment. Tables necessary for completing this
homework can be found in your textbook and are posted on Blackboard.
1. Hyp
BME 423 Lecture Notes - Oct. 7, 2009
I. Association Between Nominal Variables Review
A. Trial Types B. Relative Risk C. Odds Ratio
Glantz p 163-170
II. Types of Error in Inferences and Power of a Statistical Test
Glantz
A. The Idea p 179-204 B. Two Types
BME 423 Lecture Notes - Sept. 2, 2009 (updated 9/2/2009)
Some Basic Probability
Discrete Random Variables Expected Value (Example) Continuous Random Variables Probability Density Function (pdf) Cumulative Distribution Function (df) Expected Value Using St
BME 423 Fall 2011
HOMEWORK #1
Due before class Wednesday September 21, 2011
Please read the homework guidelines before starting your assignment. Tables necessary for completing this
homework can be found in your textbook and are posted on Blackboard.
1. D
BME 423 Fall 2011
HOMEWORK #2
Due before class Wednesday October 12, 2011
Please read the homework guidelines before starting your assignment. Tables necessary for completing this
homework can be found in your textbook and are posted on Blackboard.
1. Hyp
BME 423 Fall 2011
HOMEWORK #3
Due before class Wednesday November 9th, 2011
Please read the homework guidelines before starting your assignment. Tables necessary for
completing this homework can be found in your textbook and are posted on Blackboard.
1. C
?)ME 423 FALL 80:} (D
Homwork if 2 Salt/LEW,
i apdumgis 13%
a)
g was 0g hm Wm wage 1.- kg [1297 - Whack)
, we th +63% can be LL$CQ 1L0 +631? {he Wmsis 9? roup Yn/QCUYS are
[70+
M7331 Mm experimnbtl des n wok/6S muie §%:0u\>9 / ANOU A shame} be. us
BME 423 Fall 2011
HOMEWORK #1
Due before class Wednesday September 21, 2011
Please read the homework guidelines before starting your assignment. Tables necessary for completing this
homework can be found in your textbook and are posted on Blackboard.
1. D
BME 423
Fall 2011
EXAMINATION 1
1 hour and 15 min
_
Name
This is a closed-book exam. You are allowed to use TWO doubled-sided pages of notes. For each
problem, as appropriate: (1) state the statistical procedure you are using; (2) state the null hypothesi
BME 423 Statistical Methods
in Biomedical Engineering
Lecture Slides
Slides
David Z. DArgenio, Ph.D.
Professor of Biomedical Engineering
Department of Biomedical Engineering
University of Southern California
Statistical Methods in Biomedical Engineering -