Midterm 2 Review
These Questions were developed
by Jenn Grewel, who was my
TA in the course. I am grateful
to be able to use them
How we will proceed
I will display the question. Please write down your answer on
a sheet of paper. After the question has
Course number: PUBH 805
Title: Biostatistics for Public Health
Credit weight: 3 credit hours
Position in typical course PUBH 805 is a core required course for the Master of Public Health degree. It
sequence: must be completed within the first 24 credit ho
Lecture #15: Multiple Regression (I)
Multiple linear regression model
Coefficient of multiple determination
Estimation of the regression coefficients
1
Review: Simple linear regression
Since we are trying to predict y, we want the regression line to be
September 12, 2016
Project proposal for PUBH 807 students at SWITCH
1. Project Details
Title: Mental Health Education for Clinical Students at SWITCH
Overview: SWITCH collaboration with PUBH 807 students to understand social
worker involvement in the clin
Sample and Sample Selection
Process
There were 12 individual interviews, one focus group and 17
supporting documents.
Individual Interviews: were principally completed with community
health experts, organizational leads, committee members and people
wit
Week 12- Group 3
Rubric For Evaluating Weekly Presentations
Topic
(Weight)
Unacceptable
(0)
Marginal
(1)
Acceptable
(2)
Exceptional
(3)
Content
Explanations of
concepts and/or
theories are
inaccurate or
incomplete. No
attempt to tie
theory to
practice.
So
1a. H0 : u1=u2=u3
Ha : at least two of the true mean of energy intakes differ
Here, u1= true mean of energy intake of 4 month breast fed
U2=true mean energy intake of 5 month breast fed
U3=true mean energy intake of 6 month breast fed
1b.
.
From this qq p
Lecture #8
Least-squares regression
Regression lines
Least-squares regression line
Facts about least-squares regression
Correlation and regression
1
Regression Line
A regression line is a straight line that describes how a response
variable y changes as a
PUBH 805 Assignment #2 Solution (Instructor: Dr. Cindy Feng)
PLEASE DO NOT DISTRIBUTE THIS DOCUMENT TO ANYONE
Q1. Recommendations regarding how long infants in developing countries should be
breast-fed are controversial. Part of one study compared the ene
Tutorial 8
2 Way ANOVA
Housekeeping
Next week is November break. BUT there will be 2 lectures
of material to cover!
My plan is to cover this in a video which will go up during
November Break (probably Monday).
There will be NO TUTORIAL on November 14th
Assignment #1 Solution
PUBH805 (Term 1 2016-2017) Instructor: Dr. Cindy Feng
Please do not distribute this document to anyone
Q1. A study was conducted to examine the number of days that patients experienced diarrhea. The data for
the 22 subjects in the s
Tutorial 7
ANOVA
How is ANOVA different than a T-test
It corrects for multiple testing
There are ways to adjust a p-value, but this is different. For an ANOVA
we are doing a global test to see if there are ANY differences, and then
we do pairwise compar
Lecture #9: Sampling
Distributions for Counts and
Proportions
Sampling distribution for sample counts
Sampling distribution for sample proportion
Normal approximation for counts and proportions
CI and hypothesis test for a single proportion
CI and hy
Assignment #2 (Due date: November 6)
PUBH805 (Term 1 2016-2017) Instructor: Dr. Cindy Feng
Q1. Recommendations regarding how long infants in developing countries should be breast-fed are controversial.
If the nutritional quality of the breast milk is inad
1. Research question: Does the systolic blood pressure of population from which we assume the
sample to have been drawn is different from 135mm of Hg.
Here,
H0 : M =135
Ha : M #(is not equal to) 135
Since the p value = .118 >.05 =@,we donot reject H0.
So,
ASSIGNMENT 1
INSTRUCTIONS:
You are expected to answer all the questions on this
assignment and show all your workings (there are
points allocated for each step towards the determination
of your final answer).
Provide concluding statements were appropria