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Stephanie Mavingire-Mejia
COH602 Biostatistics
Week Three Quiz
2/26/17 3:17 PM
2/26/17 4:38 PM
Needs Grading
Grade not available.
1 hour, 21 minutes out of 2 hours and 30 mi
QUIZ 3
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This is the measure of strength of relationship most commonly used with a 2x2 tablephi
Non-parametric tests do not require that variables be normally distributedtrue
Generally,
1.
Summary statistics:
Column
Std. dev. Mean Media
n
Heart Rate 13.475533 124.56
125
2. The Z score is 0.18. With this Z score is states the patient is higher than the medium. The patient that
is in better shape is the 3 with a Heart Rate of 125.
Week 9 Chapter 8
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If Chi-Square statistic is greater than the table value, we accept the null hypothesis. False
The test statistic calculated in the process of a Cochran Q test is H. Fa
1.
BST 322 Week 2 Assignment
What is the probability of rolling a four in the gambling dice game of craps (given two six sided
dice)? What is the probability that a player can roll a four 3 times in a row (assume that rolling the
dice each time does not a
Week 4 Assignment
1.
For each correlation coefficient below, calculate what proportion of variance is shared by the two
correlated variables:
a.
b.
c.
d.
2.
For each coefficient of determination below, calculate the value of the correlation coefficient:
a
Week 3 Assignment
1.
Using StatCrunch, calculate the chi-square statistic and degrees of freedom for the
following set of data for 300 people:
Had flu shot
Didnt have flu shot
Total
Group A
30
75
105
Group B
30
75
105
Group C
35
70
105
Total
95
220
315
Co
Week 1 Assignment
1.
For each of the following (a through d), indicate which is a variable and which is a constant:
a.
The number of minutes in an hour. -Constant
b.
Systolic blood pressure -Variable
c.
Blood type Variable
d.
The number of days in a week
BST 322 Week Two Slides
Revised: Aug. 6, 2016
Julie Ensign, MBA, M.Ed.
Deadlines
Wednesdays (no change)
Aug 10 is the Week One Deadline
Aug 17 is the Week Two Deadline
Week One Grades (preliminary)
The grades you have seen so far are just
meant as (ve
Week 3 Assignment
1.
Using StatCrunch, calculate the chi-square statistic and degrees of freedom for the
following set of data for 300 people:
Had flu shot
Didnt have flu shot
Total
Group A
20
80
100
Group B
30
70
100
Group C
32
68
100
Total
82
218
300
Is
Week 4
Correlation and
Simple Regression
Correlation Redux
Pearsons r
Ho: there is no relationship between two
variables
Ho: = 0.00
H1: there is a relationship between two
variables
H1: 0.00
Pearsons r Assumptions
IV and DV are measured on approxima
Suggestions for Week One Discussion Questions, BST 322 June 2016
Class, I will grade the discussion questions soon. Here are some suggestions for points to address as
you answer the three discussion questions. Why are we doing these questions? How should
JUNE 2016
BST 322 Introduction to Biomedical Statistics
Version: July 31, 2016
Online Format
Instructor: Julie Ensign, M.Ed., MBA
[email protected]
Teaching Assistant:
Brooks Ensign, MBA
[email protected]
858-722-9012
BST 322 provides an introduction
BST 322 Week One Slides
Revised Aug 4, 2016
Julie Ensign, M.B.A., M.Ed.
Welcome! Instructors intro
Julie Ensign,
M.B.A., M.Ed.
I look forward to
helping you with
this class!
Blackboard
Watch this video! Making the transition from
eCollege to Blackboard A
Carlos McEntire
Bio-205
Assignment Antimicrobial Hunt
Name of Product: Body Essence Tea Tree Oil Ultra-Moisturizing Body
Wash
Store: Bed, Bath & Beyond & Bath & Body Works
Intended Use: Soap & Body Scrub w/ Moisturizer
Antimicrobial Ingredient: Terpinen-4
Week 4 Assignment
1.
For each correlation coefficient below, calculate what proportion of variance is shared by the two
correlated variables:
a.
b.
c.
d.
2.
For each coefficient of determination below, calculate the value of the correlation coefficient:
a
Week 2 Discussion
Are a certain sampled population of women in a poor urban setting as optimistic as women
nationally?
1.
State the null and alternative hypothesis.
Null Hypothesis- Women in a poor urban setting are as optimistic as woman
nationally.
Al
Week 4 Discussion 2
Given the data presented in Discussion Question 1 for this week, determine the cholesterol level of
someone who drank two and a half cups of coffee a day. To get the answer, plot a regression line
in StatCrunch and post your answers fr
WK3 D2
We want to know whether boys or girls get into trouble more
often in school. Below is the table documenting the percentage of
boys and girls who got into trouble in school:
Got in Trouble No Trouble Total
Boys
46
71
117
Girls
37
83
120
Total
83
154
Week 1 Assignment
1. a.constant
b. variable
c. variable
d. constant
2. a. IV. Age
DV. psychological adjustment
b. IV. Handicapped/ nonhandicapped children
DV. Health concepts
c. IV. Patients
DV. lower pain ratings
d. IV. State
DV. Weight
e. IV. Type of he
Wk 3 D 1
Now that we are more familiar with StatCrunch and making cross-tabulation tables,
discuss how the textbook author (Dr. Polit) created Figure 8.2 (the cross tabulation
table on p. 174). Can you get the data into StatCrunch and perform the Chi-Squa
Week 2 assignement
1.
3/36 or 8.333
3/36x3/36x3/36= 27/46656=3/5184
B will yield a more accurate estimate of its population mean. Because Population B is greater
than Population A the SEM will be smaller.
2.
3.
95% confidence interval results:
Me
an
Samp