Homework 1 Solutions
10 pts
Homework 1 Solutions
Submit typed answers for the following problems. (Note: MMC = 6th Edition of Moore, McCabe, &
Craig)
We encourage you to work together, however, each student is expected to independently write up the
submit

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 3 Part 5
Random Sampling
Notes
Weve spoken of simple random sampling from a population
Weve learned about probability
Weve learned about r

TEST 2 REVIEW PROBLEMS PH6450
What is the appropriate test?
[Examples adapted from: Moore and McCabe, Introduction to the Practice of Statistics;
Diane Essex-Sorlie, Medical Biostatistics and Epidemiology; Glanz, Primer of
Biostatistics, and Blair and Tay

Homework 4
Due: September 30
10 pts
Homework 4
Submit typed answers for the following problems. (MMC = 6th Edition of Moore, McCabe, & Craig)
We encourage you to work together, however, each student is expected to independently write up the
submitted assi

Homework 2
Due February 3
10 pts
Homework 2 Solutions
Submit typed answers for the following problems. (MMC = 6th Edition of Moore, McCabe, &
Craig)
We encourage you to work together, however, each student is expected to independently write
up thesubmitte

PubH 6450 Online - Biostatistics I
Calculating Probabilities and Quantiles in R
Purpose of this document basic probability calculations in R
This file will explain how to calculate binomial and normal probabilities and quantiles in R and give a few
exampl

PubH 6450 Biostatistics I Online
Homework 1
Submit typed answers for the following problems. (DT = Dawson and Trapp, fourth edition)
We encourage you to work together, however, each student is expected to independently write up the submitted
assignment us

PubH 6450 Biostatistics I Online
Homework 3
Done by Abeer Alharbi
Submit typed answers for the following problems. (MMC = 8th Edition of Moore, McCabe, & Craig)
We encourage you to work in your groups, but each group is expected to independently write up

PubH 6450 Biostatistics I Online
Homework 3
Submit typed answers for the following problems. (MMC = 8th Edition of Moore, McCabe, & Craig)
We encourage you to work in your groups, but each group is expected to independently write up the
submitted assignme

PubH 6450 Biostatistics I Online
Homework 1
Submittypedanswersforthefollowingproblems.(MMC=8th Edition of Moore, McCabe, & Craig)
We encourage you to work together, however, each student is expected to independently write up the
submitted assignment using

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 3 Part 5
Random Sampling
Notes
Weve spoken of simple random sampling from a population
Weve learned about probability
Weve learned about r

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 3 part 1
Review: Probability Models
Notes
A probability model is a way of representing a random process
mathematically.
A probability model c

PubH 6450 Biostatistics I Online
Homework 4
Submit typed answers for the following problems. We encourage you to work in your groups, but each
group is expected to independently write up the submitted assignment using its own computing and giving
explanat

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 2 Part 1
Exploratory Data Analysis
Notes
So far, we have studied Exploratory Data Analysis.
How to describe measures of center and variation

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 3 Part 4
Recall: Discrete and continuous random variables
Notes
Random variables which have a well-defined ordering and
distance can be eith

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 2 parts 3, 4, 5
Sampling Variation
Sample mean of change in weight in the control group by study
Notes
Sampling Variation
Notes
Questions:
H

PubH 6450 Biostatistics I Online
Homework 2
Submit typed answers for the following problems. (DT = Dawson and Trapp, fourth edition)
We encourage you to work together, however, each student is expected to independently write up the
submitted assignment us

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 2 Part 2
Notes
Study Design
Study Design
Notes
Definition (Study Design)
A study design is an arrangement or pattern for the collection of
da

PubH 6450 Biostatistics I Online
Homework 4
Submittypedanswersforthefollowingproblems.(MMC=8th Edition of Moore, McCabe, & Craig)
We encourage you to work in your groups, but each group is expected to independently write up the
submitted assignment using

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 8 Part 2
Where are we going?
Notes
Previously:
Two-sample hypothesis testing for H0 1 2 = 0
z-tests for known 1 and 2 , t-tests for unknown

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 4
Where are we going?
Notes
Previously:
Binomial distribution: denition
Sampling distribution of the Binomial mean
Sampling distribution o

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 3 part 1
Review: Probability Models
Notes
A probability model is a way of representing a random process
mathematically.
A probability model c

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 3 Part 4
Recall: Discrete and continuous random variables
Notes
Random variables which have a well-dened ordering and
distance can be either

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 3 Part 3
The Bernoulli Distribution
Let X be the binary 0/1 outcome such as ipping a coin once:
X =cfw_
Notes
1 if Heads
0 if Tails
We say th

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 2 part 2
Sampling Variation
Sample mean of change in weight in the control group by study
Notes
Sampling Variation
Notes
Questions:
How far

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 2 Part 2
Notes
Study Design
Study Design
Notes
Denition (Study Design)
A study design is an arrangement or pattern for the collection of
data

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 2 Part 1
Exploratory Data Analysis
Notes
So far, we have studied Exploratory Data Analysis.
How to describe measures of center and variation

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 1 Part 2
Review
Notes
Weve learned about categorical and continuous data, and seen
how to summarize them using tables and plots.
Next, well l

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 1
Many thanks are due to previous 6450 instructors who have
progressively improved these notes.
Outline for Part 1
Notes
1
Course Motivation

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 6 Part 2
Where are we going?
Notes
Previously:
Interval estimates for when is known (use z , )
Interval estimates for when is unknown (use

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 8 Part 1
Where are we going?
Notes
Previously:
One-sample hypothesis testing and CIs for H0 = 0
z-tests for known , t-tests for unknown
Err

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 8 Part 3
Where are we going?
Notes
Previously:
One-sample hypothesis testing and CIs for H0 = 0
Matched Pairs hypothesis testing and CIs fo

Notes
Public Health 6450 Online
Division of Biostatistics
School of Public Health
University of Minnesota
Lecture 6 Part 1
Where are we going?
Notes
Previously, Exam 1 material, including:
Using the Central Limit Theorem (Chapter 5.2)
Confidence interva