Biostatistics methods IV applied longitudinal analysis
PBHL B 574

Spring 2017
Name: Jamie Parrish
Lab 8: Sections 7.1, 7.2
When you have 2 columns of data, sometimes it can be tricky to tell the difference between a
Matched Pairs and a 2Sample Comparison of Means problem. Heres how you know:
Matched pairs: You get 2 measurements o
Biostatistics methods IV applied longitudinal analysis
PBHL B 574

Spring 2017
Name: Jamie Parrish
Lab 7: Chapter 6 and Section 7.1
Some formulas which might be helpful to you:
s
X z
X t
n
n
X
X
0
0
t=
/ n
s / n
Confidence level
Z*
90%
1.645
95%
1.960
99%
2.576
Remember: Normal and t tables can be found on the Canvas website.
1.
Biostatistics methods IV applied longitudinal analysis
PBHL B 574

Spring 2017
Roles of nonprofits (In the case of the Refugee Crisis) Luisa
The refugee crisis is by far the worst humanitarian crisis since World War I. Many children and
families have been displaced due to fleeing prosecution and disaster zones in their native
count
Biostatistics methods IV applied longitudinal analysis
PBHL B 574

Spring 2017
Name:
Lab 6: Chapter 6  Hypothesis testing
READ THIS: For hypothesis testing, we dont know the true population mean, but we do
have a reasonable guess, possibly from previous research, which we call 0. This number
goes in the null hypothesis. The point o
Biostatistics methods IV applied longitudinal analysis
PBHL B 574

Spring 2017
Name Jamie Parrish
PBHL B300 Lab 3: Chapter 1
The data for this lab can be found in the file Lab2Data.xlsx. This file contains the
responses of students in a certain class to the following survey questions at the beginning
of the semester:
What is your he
Biostatistics methods IV applied longitudinal analysis
PBHL B 574

Spring 2017
Name:
Lab 5: Chapter 6
READ THIS: In the material for the first exam, you learned about the difference between
a population and a sample. There is a parameter for the whole population (for example
the average age for all U.S. residents), but it would be t
Biostatistics methods IV applied longitudinal analysis
PBHL B 574

Spring 2017
Name: Jamie Parrish
PBHLB300 Homework #4
1. Conventional wisdom has suggested that women are more talkative than men  but does this hold up
in the statistical sense? One study designed to examine this stereotype collected data on the speech
habits of 42
Biostatistics methods IV applied longitudinal analysis
PBHL B 574

Spring 2017
Name: Jamie Parrish
PBHLB300 Homework #2
1. (12 points) The social networking site called Facebook has grown quickly since its inception in 2004. In
fact, Facebooks United States user base grew from 42 million users to 103 million users between 2009
and
b. (2 points) Create a histogram of the variable Wind. Describe the shape of this
histogram and how this description matches what you say on the Normal quantile
plot.
y. We mm W Di
Sigh4.
s (1 M43
WM (NEW/M
1m RWQVWW douvx' \bok
. W (A WM
\r i Wm WM
WW
Name_Marissa Birky
PBHL B300 Lab 2: Chapter 1
The data for this lab can be found in the file Lab2Data.xlsx. This file contains the
response of students in a certain class to the following survey questions at the beginning
of the semester:
What is your hei
Marissa Birky
PBHLB300 Homework #1
1. Explain what is wrong with each of the following randomization procedures and describe how you
would do the randomization correctly.
(1) Twenty students are to be used to evaluate a new treatment. Ten men are ass
Marissa Birky
PBHLB300 Homework #1
1. Explain what is wrong with each of the following randomization procedures and describe how you
would do the randomization correctly.
(1) Twenty students are to be used to evaluate a new treatment. Ten men are assigne
Name: Marissa Birky
Lab 5: Chapter 6
READ THIS: In the material for the first exam, you learned about the difference between
a population and a sample. There is a parameter for the whole population (for example
the average age for all U.S. residents), but
Name: Marissa Birky
PBHLB300 Homework #2
1. The social networking site called Facebook has grown quickly since its inception in 2004. In fact,
Facebooks United States user base grew from 42 million users to 103 million users between 2009 and
2010. The ta
Name: Marissa Birky
PBHL B300 Lab 1: Chapter 3
Before working on the lab assignment, please make sure that you read the Getting
Started with SPSS document and try the sample data set used in that document.
Download the data file Lab1Data.xlsx from Canvas.
Name: Marissa Birky
Lab 5: Chapter 6
READ THIS: In the material for the first exam, you learned about the difference between
a population and a sample. There is a parameter for the whole population (for example
the average age for all U.S. residents), but
Name_Marissa Birky_
PBHL B300 Lab 3: Chapter 1
The data for this lab can be found in the file Lab2Data.xlsx. This file contains the
response of students in a certain class to the following survey questions at the beginning
of the semester:
What is your he
PBHLB300 Homework #7
Note: For all hypothesis testing problems, please make sure that you write the hypotheses, test statistic, pvalue, and conclusions in terms of the problem.
1. For each of the following situations, identify the response variable and t
Name_ Thomasina Watts_
PBHL B300 Lab 3: Chapter 1
The data for this lab can be found in the file Lab2Data.xlsx. This file contains the
response of students in a certain class to the following survey questions at the beginning
of the semester:
What is your
PBHLB300 Homework #1
1. Explain what is wrong with each of the following randomization procedures and describe how you
would do the randomization correctly.
(1) Twenty students are to be used to evaluate a new treatment. Ten men are assigned to receive
t
w
Name: \ \/\ OVKA {A t 4\ {any
Lab 6: Chapter 6  Hypothesis testing
READ THIS: For hypothesis testing, we don’t know the true population mean, but we do
have a reasonable guess, possibly from previous research, which we call no. This number
goes in the
PBHLB300 Homework #8
Note: For all hypothesis testing problems, please make sure that you write the hypotheses, test statistic, pvalue, and conclusions in terms of the problem.
1. The World Bank collects data on many variables related to world developmen
Name:
Lab 10: Chapters 2 and 10
Data from a British government survey of household spending may be used to examine
the relationship between household spending on tobacco products and alcoholic
beverages.
You can find this data on the Canvas website. The d
PBHLB300 Homework #2
1. The social networking site called Facebook has grown quickly since its inception in 2004. In fact,
Facebooks United States user base grew from 42 million users to 103 million users between 2009 and
2010. The table below shows the
Name: Thomasina Watts
Lab 9: Chapters 12: Oneway ANOVA
1. (2 points) Use SPSS to make a sidebyside boxplot of the three exercise frequency groups,
and describe what you find. Remember to discuss whether there are outliers, the amount of
overlap between
Name: Rachael Gorham
PBHL B300 Lab 3: Chapter 1
The data for this lab can be found in the file Lab2Data.xlsx. This file contains the
response of students in a certain class to the following survey questions at the beginning
of the semester:
What is your h
PBHLB300 Homework #7
Due Wednesday Oct 28, 2015
Note: For all hypothesis testing problems, please make sure that you write the hypotheses, test
statistic, pvalue, and conclusions in terms of the problem.
For problems that you complete using SPSS, please
Density Curves
Normal Distribution
Lecture 3: Normal Distribution
Readings: Section 1.3
Sep 9, 2015
Density Curves
Normal Distribution
So far our strategy for exploring data is
Graph the data to get an idea of the overall pattern
Calculate an appropriate