ph 142
quiz 2
fall 2016
for practice for the final
You may use the salmon summary handout from class.
You will need a simple scientific calculator. You may not use a cell phone calculator.
A copy of the t table from Baldi and Moore is available.
Show all
ph 142
fall 2016
quiz 4
for practicing for the final
2
You may use the buffcolored twosample summary sheet and the blue test summary .
You will need a simple scientific calculator. You may not use a cell phone calculator.
Show all work on these sheets.
ph 142
fall 2016
quiz 3
for practice for the final
You may use the salmon summary handout.
You will need a simple scientific calculator. You may not use a cell phone calculator.
Show all work on these sheets; you may use the backs of the pages as needed.
twosample practice problems for ph 142 final
partial key
adapted from Baldi and Moore
exercise 18.28
page 458
testosterone and obesity in adolescent males
Obesity in adult males is associated with lower levels of sex hormone. Example 17.2 described a stu
ph 142
practice problems for hypothesis tests one sample problems
partial solutions
for a population mean
In these problems, we don't have the raw data.
Look at the sample size and the information given to be sure it's reasonable to use the t
distribution
ph 142
section activities Wednesday Apr 26 and Thursday Apr 27
partial key
A study was carried out to explore the relationship between drivers ages and the maximum
distance away at which they could read road signs. (Call this "legibility distance.")
Assum
twosample practice problems for means
adapted from Baldi and Moore
exercise 18.28
page 458
testosterone and obesity in adolescent males
Obesity in adult males is associated with lower levels of sex hormone. Example 17.2 described a study
investigating a
ph 142
section activities Wednesday Apr 26 and Thursday Apr 27
A study was carried out to explore the relationship between drivers ages and the maximum
distance away at which they could read road signs. (Call this "legibility distance.")
Assume that the d
ph 142
practice problems for hypothesis tests one sample problems
for a population mean
In these problems, we don't have the raw data.
Look at the sample size and the information given to be sure it's reasonable to use the t
distribution for confidence in
ph 142
KEY
problem set 7
15 points
Part 1. hypothesis test about a mean
9 points
Vitamin C loss in wheat soy blend
These are the same data as we used in problem set 6 to calculate a confidence interval.
The assumptions for using t distributions for hypoth
ph 142
problem set 11
10 points
Its a really good idea to always include your plots with your solutions.
The directions do say "Copy and paste your graphs and the Stata results into your report."
We will take off 1 point overall if you did not do this for
ph 142
spring 2016
quiz 3
KEY
Part 1. (20 points) Researchers studied macaque monkeys to see how their brains responded to
pure tones and to actual macaque calls. In a matched pairs study, 37 macaques were studied.
Their neural activity in response to eac
ph 142
midterm key
spring 2016
Part 1. conditional probability reasoning
8 points
In an investigation of possible factors associated with breast cancer in women, a large
international casecontrol study was carried out. A womans age at the birth of her fi
using the fitted values from a regression
to estimate the mean outcome for the population with a given X
and to predict the outcome for an individual with a given X;
confidence intervals for estimation and prediction
The reason these questions can be tric
ph 142
problem set 6
partial key
10 points
confidence intervals for a mean
Vitamin C loss in wheat soy blend
The units on the vitamin C measurements are milligrams of vitamin C per 100 grams of WSB.
. gen loss = factory Haiti
. summ loss, detail
vitamin C
using
tables, the SurfStat
The terms in the
applet, and Stata's chi2tail function
statistic that compare the observed and expected counts will be small if
the observed counts are close to the expected counts under the null hypothesis. The
terms
are always
ph 142
spring 2016
quiz 4
KEY
Part I (11 points)
The units on the exposure are milligram years per cubic meter (of air) abbreviated mg*y/m 3 .
The data for total dust exposure are:
n
average
standard deviation
drill and blast workers
115
18.0
7.8
outdoor
ph 142
spring 2016
quiz 5
KEY
A study was carried out to explore the relationship between drivers ages and the maximum
distance away at which they could read road signs. (Call this "legibility distance.")
Assume that the drivers were tested under the same
ph 142
spring 2016
quiz 2
KEY
The diastolic blood pressures of healthy young women between the ages of 18 and 30 in the US
have a distribution that is approximately normal with a mean of 77.0 mm Hg and a standard
deviation 12 mm Hg. [Diastolic is the seco
ph 142
key
problem set 8
confidence intervals and hypothesis tests about a proportion
20 points
19.34 coffee tasting
11 points
The null hypothesis is that people really cant tell freshlybrewed coffee from instant.
If we make them pick one that they like
ph 142
key
problem set 9
two independent sample tests for comparing means
acupuncture for treating migraines
20 points
Baldi and Moore, exercise 18.35, pages 459 and 460
6 points
Compare the means of the acupuncture and wait list groups.
n
acupuncture
wai
ph 142
problem set 12
15 points
1. Use the standardized residuals to explore the distribution of the i
box plot
1 points
2
Standardized residuals
1
0
1
close to perfect box plot!
2
This is an amazingly
The median line is about way between the first and
ph 142
problem set 7
partial key
15 points
part 1. sample size planning
6 points
1. Suppose you are planning a study to estimate the average weekly internet use time of
undergraduates at UC Berkeley, and you would like to have a margin of error for a 95 %
ph 142
problem set 5
from Baldi and Moore chapter 11
10 points
round off in table use OK
11.36 cholesterol in middleaged men
2 points
The blood cholesterol levels of men aged 55 to 64 are approximately Normal with mean 222
milligrams per deciliter (mg/dL
ph 142
preparing for quiz 1
The quiz is in section on Friday February 12
What does the quiz cover?
Probability through the binomial distribution work
on Monday Feb 8 and in section Feb 10 and 11.
The binomial setting conditions (reader page 61, Baldi and
Social, Political, and Ethical Issues in Health and Medicine
PH 116

Fall 2009
Damaris Solis
PH16
February 3, 2017
Refection
Eating habits are mostly created due to the culture that we live in. The food that we see
others eat, and that we grow up eating eventually create our habits. Those around us such as
our family, friends, and t
Social, Political, and Ethical Issues in Health and Medicine
PH 116

Fall 2009
Damaris Solis
PH 116
January 16, 2017
Public health is a large intricate system that ties all health related subjects into one. I
believed, before joining this class that public health was very broad and not one definition could
capture the entire potenti
PH 126: Health Economics & Public Policy
Lecture 9
Functions of
and Demand for Health Insurance
Brent D. Fulton, Ph.D., MBA
Assistant Adjunct Professor of Health Economics and Policy
Nicholas C. Petris Center on Health Care Markets and Consumer Welfare
Gl
PH 126: Health Economics & Public Policy
Lecture 5
Affordable Care Act
Richard Scheffler, Ph.D.
Distinguished Professor, Health Economics and Public Policy
Director, Nicholas C. Petris Center
Director, Global Center for Health Economics and Policy Researc