BIOSTATS 540 Fall 2016
2. Probability Basics
Page 1 of 40
Unit 3
Probability Basics
Chance favours only those who know how to court her
- Charles Nicolle
A weather report statement such as the probabi
BIOSTATS 540 Fall 2016
Introductory Biostatistics
Unit 5 - Populations and Samples
Homework
SOLUTIONS
1.
For each of the following situations, define the target population, and how you might obtain a
BIOSTATS 540 Fall 2016
2. Data Visualization
Page 1 of 30
Unit 2
Data Visualization
Always graph the data.
(Source: - van Belle, G. Statistical Rules of Thumb, Second Edition.
John Wiley & Sons, 2008)
PubHlth 540
2. Introduction to Probability
Page 1 of 3
Unit 2
Introduction to Probability
Practice Quiz
SOLUTIONS
1.
Consider the experiment of dealing a card from a standard deck. The outcome noted
i
BIOSTATS 540 Fall 2016
10. TWO Sample Inference
Page 1 of 29
Unit 10.
TWO Sample Inference
Who would not say that the glosses (commentaries on the law) increase doubt
and ignorance? It is more of a bu
BIOSTATS 540 - Fall 2016
Simple Linear Regression and Correlation
Page 1 of 45
Unit 12
Simple Linear Regression and Correlation
Assume that a statistical model such as a linear model
is a good first s
BIOSTATS 540 Fall 2016
11. Chi Square Tests (plus Fishers Exact Test)
Page 1 of 39
Unit 11
Chi Square Tests
plus Fishers Exact Test
I shall never believe that God plays dice with the world
- Albert Ei
BIOSTATS 540 Fall 2016
8. Statistical Literacy Estimation and Hypothesis Testing
Page 1 of 55
Unit 8
Statistical Literacy Estimation and Hypothesis Testing
Who would not say that the glosses (commenta
BIOSTATS 540
1
Unit 3 Populations and Samples
Self Evaluation Quiz
SOLUTIONS
1a.
N =5
(i)
population mean = =
X
i=1
i
N =5
= 184.0
N =5
( X
i
)
N =5
2
(X
i
184 )
2
(ii)
population variance = 2 =
(ii
BIOSTATS 540 Fall 2016
Introductory Biostatistics
Page 1 of 5
Unit 6 Bernoulli and Binomial Distributions
Homework
SOLUTIONS
1.
Suppose that my BIOSTATS 540 2016 class that meets in class in Worcester
BIOSTATS 540 Fall 2016
1. Summarizing Data
Page 1 of 42
Unit 1
Summarizing Data
It is difficult to understand why statisticians commonly limit their enquiries to
averages, and do not revel in more com
BIOSTATS 540 Fall 2016
9. ONE Sample Inference
Page 1 of 49
Unit 9.
ONE Sample Inference
Use at least twelve observations in constructing a confidence interval
- Gerald van Belle
Nature
Population/
Sa
Biostats540: Introduction to Biostatistics Spring 2018
Unit 2: Individual Assignment Due Date: 13 March 2018
1. In 1992 a national survey was conducted of third year residents (i.e., doctors in their
Problem 1.
a)
load("/Users/katiechiu/Desktop/biostats540/psets/pset_01/datasets/nursing.home.Rdata")
min = which.min(nursing.home$resident)
nursing.home[min,1]
# [1] "Hawaii"
max = which.max(nursing.h
BIOSTATS 540
Homework #3
SOLUTIONS
1. This exercise gives you practice in calculating a binomial distribution probability. See Unit 4
notes, pages 17-18 and pages 20-22. Also, below is another resourc
BIOSTATS 540
Homework #1
SOLUTIONS
1.
For each of the following variables indicate whether it is quantitative or qualitative and specify the measurement
scale that is used.
a.
b.
c.
d.
e.
f.
2.
Qualit
BIOSTATS 540
Homework #2
SOLUTIONS
1. Let A and B denote two independent genetic traits. Suppose the probability that an individual
will exhibit trait A is and the probability that an individual will
Problem Set 3
Alix Shipman
October 8, 2016
Useful Formatting Notes.
It is best to enclose any in-line equations, including math operators, within two $
symbols, e.g. 0.
EHS690X
Fall 2016
Problem Set IV
First, congrats on how well you did on Problem Set III. You earned five out of five points!
Bravo!
Please answer the questions below. This problem set is due in our la
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike License. Your use of this
material constitutes acceptance of that license and the conditions of use of materials on
PubHlth 540
Introductory Biostatistics
Page 1 of 4
Unit 5 Normal Distribution
Practice Quiz
SOLUTIONS
1. Suppose that the distribution of diastolic blood pressure in a population of hypertensive women
BIOSTATS 540 Fall 2016
Introductory Biostatistics
Page 1 of 16
Unit 7 The Normal Distribution
Homework
SOLUTIONS
1. This exercise gives you practice in calculating probabilities under the standard nor
BIOSTATS 540 Fall 2015
Units 6 & 7 In-Class Practice - SOLUTIONS
Page 1 of 7
Dear BIOSTATS 540,
In the questions below that ask for a hypothesis test, I have highlighted the words that tell you whethe
PubHlth 540 Fall 2014
Introductory Biostatistics
Page 1 of 6
Unit 9 Regression and Correlation
Homework/Practice #14 (Unit 9 Regression and Correlation)
SOLUTIONS
Consider the following study of the r
PubHlth 540 Fall 2014
Exam I - SOLUTIONS
Page 1 of 17
1. (10 points total)
The Honolulu Heart Study, conducted in the 1970s, measured lots of things on lots of study participants. The
following are 10
PubHlth 540 - Fall 2014
Introductory Biostatistics
Page 1 of 10
Unit 5 The Normal Distribution
Homework/Practice #8 (Unit 5 Normal part 2 of 2)
SOLUTIONS
1. This exercise gives you additional practice
PubHlth 540 Fall 2014
1. Summarizing Data
Page 1 of 13
Unit 1 - Summarizing Data
Practice #1 (Unit 1 Summarizing Data)
SOLUTIONS
1.
This exercise gives you practice with the ideas of Unit 1, Section 3
PubHlth 540 - Fall 2014
Introductory Biostatistics
Unit 8 Chi Square Tests (plus Fishers Exact Test)
Homework/Practice #12
SOLUTIONS
1.
Source: Fisher LD and Van Belle G. Biostatistics: A Methodology
PubHlth 540 Fall 2014
Introductory Biostatistics
Page 1 of 5
Unit 4 Bernoulli and Binomial Distributions
Practice Problems
SOLUTIONS
Updated 10-10-2014
1.
Suppose that my PubHlth 540 2014 class that m