2017 STAT/BIOSTAT 570: Coursework 1 - Key
1. The data we analyze were collected on n = 97 men before radical prostatectomony
and we take as response the log of prostate specific antigen (PSA) which wa
Biostatistics 310
Sample Midterm Exam 1 KEY
15 POINTS TOTAL
Name: _
Make sure you show your work!
You may leave expressions unevaluated
1. [2 points] For each of the following indicate what the best d
Study Design Topics to be covered
Common study designs
Case report (series)
Ecologic study
Cross-sectional survey
Cohort study
Case-Control study
Randomized clinical trial
Meta-analysis
Ecol
Confidence intervals
By providing a range of values for the summary of interest (e.g. for a
proportion or a mean) with a given level of confidence (a confidence interval),
we can incorporate sampli
Biostat 310
Spring 2017
Homework 3 - Solutions
Total Points: 15 points
There is a total of 10 graded points (questions indicated by *) and then an additional 5 points
in total for the additiona
Biostat 310
Spring 2017
Homework 4 - Solutions
Total Points: 15 points
There is a total of 10 graded points (questions indicated by *) and then an additional 5 points in total for
the additio
Sullivan (2nd edition)
p-values reflect the exact significance of tests of hypothesis. In this
example, we find p < 0.010, indicating that there is less than a 1%
chance that we are incorrectly rej
BIOSTAT 310
Midterm 1 Review
1
Review Topics
Types of Data
Graphs
Summary Statistics
Measures of Disease Frequency
Comparing Disease Frequency in Two Groups
Sampling
Types of Studies
2
Types of
Biostat 310
Homework 2
Submit to the CANVAS course website
DUE: 10/16/15, 11:30am
[15 points]
There are a total of 13 graded points (questions indicated by *) and then an additional 2
points in total
Biostat 310
Homework 3
Submit to the CANVAS course website
DUE: 10/23/15, 11:30am
[15 points]
There are a total of 13 graded points (questions indicated by *) and then an additional 2 points in total
Biostat 310
Homework 5
Submit to the CANVAS course website
DUE:11/06/15, 11:30am
[14 points]
There are a total of 12 graded points (questions indicated by *) and then an additional 2 points in total f
Biostat 310 Review: Fall 2015
Summarizing Categorical and Quantitative Data
Categorical data nominal (unordered categories), ordinal (ordered categories)
Graphical bar plots (frequency of each catego
Biostat 310
Homework 8
Submit to the CANVAS course website
DUE: 12/11/15, 11:30am
[14 points]
There are a total of 12 graded points (questions indicated by *) and then an additional 2 points in total
Biostat 310
Homework 6
Submit to the CANVAS course website
DUE:11/13/15, 11:30am
[15 points]
There are a total of 13 graded points (questions indicated by *) and then an additional 2 points in total f
Biostat 310
Homework 7
Submit to the CANVAS course website
DUE:12/04/15, 11:30am
[15 points]
There are a total of 13 graded points (questions indicated by *) and then an additional 2 points in total f
Week 1
4.0
Summarizing Data Collected in the Sample
Define the population explicitly because inferences based on the study
samples would be generalizable to the specified population.
Population: colle
Biostat 310
Homework 1
Submit to the CANVAS course website
DUE: 10/9/15, 11:30am
TOTAL: 15 POINTS
There are a total of 13 graded points (questions indicated by *) and then an additional 2 points in to
Probability & Screening
Probability is used in a variety ways:
To define independence
To describe test performance
To construct confidence intervals
To perform hypothesis testing
A p-value is a
Biostatistics 310 Biostatistics for the Health Sciences
Course Syllabus
Spring 2017
(Last modified 2/8/17)
Prerequisites: College algebra (MATH 111) or higher
Credits: 4, graded
Structure:
Tobias Kim
Biostat 310
February 20th, 2017
Term Paper: Laughing is the best medicine
A study conducted by researchers at the University of Oxford attempted to
determine whether or not laughing had the
Tobias Kim
Biostat 310
1. Prevalence
2.
a. 14 contract flu / 20.5 = 0.683 cases per person year
b. 2 contract flu/ 120 = 0.017
c. 14 contract flu/ 120= 0.117
d. No, because by week 10, each student is
Tobias Kim
Biostat 310
1.
a. Scatterplot
b. Ii.) Systolic blood pressure tends to be higher at older ages; the
correlation is about 0.4
2.
a. 200/500= 0.4
b. Yes, because according to the collected da
Tobias Kim
BIOSTAT 310
1. Cancer growth rates may have increased due to:
a. Increase in populations (population growth)
b. Rise in more strains of cancer
2. The data shown does not suggest that you ca
Danish Study Links Fish Oil During Pregnancy With Lower Asthma Risk In Kids3:
December 28, 20165:01 PM ET
RICHARD HARRIS
Studies of fish oil and health are like studies about coffee there's plenty of
Study reveals laughter really is the best medicine
By Pallab Ghosh Science correspondent, BBC News
14 September 2011
People feel less pain after a good laugh, because it may cause the body to release
Biostatistics 310
Term Paper Assignment
The objective of this assignment is two-fold:
1) To develop your ability to critically evaluate news reports on medical and public health issues
2) To practice
Final Review
BIOSTAT 310
1
Topics covered in Biost 310
Summarizing Categorical and Quantitative Data
Probability and Screening
Prevalence, Incidence, Relative risk, Risk difference, Odds ratio
Samplin
Early Bedtime For Preschoolers Might Help Reduce Obesity Risk Later
July 14, 20161:36 PM ET
CAROLYN BEANS
For parents concerned that their preschoolers may one day gain excess weight, a study publishe