Decision Making
Decision Making
HLTH 551
Liberty University
Part I-Introduction
Page 1
Decision Making
Page 2
Every single person goes through his or her day contemplating the best decision to make
for occurrences happening in his or her life. People go t
HLTH 330
CULTURAL PERSPECTIVE PAPER INSTRUCTIONS
Brief Description: Reflection Paper
Due Date: The Cultural Perspective Paper is due by 11:59 p.m. (ET) on Friday of Module/Week
8.
Purpose: The purpose of this assignment is to take a look at Gods Word as i
BIOSTATISTICS CASE STUDY:
Tests of Association for Categorical Data
There are seven questions at the end of this article. This assignment is worth 80 points. Place
answers in this table:
1.
2.
3.
Answer choice E
68.9%
Upper limit CI = 0.73408
Lower limit
HLTH 501
WEEK 8 PROBLEMS30
POINTS
15 points each. Place answers within the Word document below.
1. A study is conducted to estimate survival in patients following kidney transplant. Key factors
that adversely affect success of the transplant include advan
HLTH 501
WEEK 1 PROBLEMS30 POINTS
6 points per problem. Put answers in the following table:
1.
A Bias: systematic uncertainty
B Clinical Trial: creating similar comparison groups
C Confounding: risk factor distortion
D Disease Incidence: number of new cas
HLTH 501
WEEK 6 PROBLEMS30 POINTS
10 points each. Place answers in the following table:
1. Alpha = 0.05
n= 7
critical value = 2
smaller of the number of pos and neg= 1
Answer choice B
Alpha= _0.05
N1= _5_
N2= _5
Critical value U= _-1.88_
Smaller of U1 and
HLTH 501
WEEK 7 PROBLEMS30 POINTS
10 oints each. Place answers in the following table:
1. a) Prevalence = _0.2016_
(48+207) / 1250 = 0.2016
b) Prevalence = _0.284_
(148+ 207) / 1250 = 0.284
c) Incidence = _0.1482_
148/998 = 0.1482
2. a) Odds Heavy Use = _
HLTH 501
WEEK 5 PROBLEMS30 POINTS
10 points per problem. Place answer in the following table:
1.
A) 0.329
B) 4.394
2. A) 438.51
B) 501.41
C) 425.84
3.
A) 2.23
B) 1.85
1. A study is run to estimate the association between exposure to lead paint in childhoo
HLTH 501
WEEK 2 PROBLEMS30
POINTS
10 points per problem. Put answers in table below:
1.
A 205
B 175
C 245
D 70
E 350
F yes
G 50%
H 75%
2. A/ (A+C)
52(52+14) = 52/66= 0.7878 * 100 = 78.78%
3. A)
P(x>=3) = 1-(p(x<3) =1-p(x=0) p(x=1) p(x=2)
P(x=0) = 12!
0!(1
HLTH 501
WEEK 4 PROBLEMS30 POINTS
10 ponts per problem.
1.
The mean body mass index (BMI) for boys age 12 is 23.6. An investigator wants to test if
the BMI is higher in 12-year-old boys living in New York City. How many boys are
needed to ensure that a tw
HLTH 501
EXCEL EXERCISE WEEK 5
Refer to the Scatterplot, Regressions and Correlations tabs to answer the following questions.
Looking at the scatterplot what is the maximum value for systolic blood pressure? 150_1 pt.
Looking at the scatterplot what is th
HLTH 501
EXCEL EXERCISE WEEK 8
Refer to the Survival Graph tab in the Excel Assigment spresdsheet.
Sixty percent of the subjects can be expected to survive for how long? _22_months 2 pts
After 5 months of treatment what proprtion of the patiensts are stil
HLTH 501
EXCEL EXERCISE MODULE/WEEK 6
Refer to the Incidence tab in the assignment spreadsheet:
How many patients are represented in these data?_23_ 2 pts
How many patients had disease at the start of the study?_13_ 2 pts
How many patients became diseased
HLTH 501
WEEK 8 PROBLEMS30
POINTS
15 points each. Place answers within the Word document below.
1. A study is conducted to estimate survival in patients following kidney transplant. Key factors
that adversely affect success of the transplant include advan
HLTH 501
WEEK 6 PROBLEMS30 POINTS
10 points each. Place answers in the following table:
1. There is no significant reduction in the number of sick days taken after completing th wellness
program
A. False
B. True
C. False
D. False
Alpha = 0.05
n = _7_
Crit
HLTH 501
EXCEL EXERCISE WEEK 8
Refer to the Survival Graph tab in the Excel Assigment spresdsheet.
Sixty percent of the subjects can be expected to survive for how long? _22 _ months 2 pts
After 5 months of treatment what proprtion of the patiensts are st
HLTH 501
WEEK 4 PROBLEMS30 POINTS
10 ponts per problem.
1.
The mean body mass index (BMI) for boys age 12 is 23.6. An investigator wants to test if
the BMI is higher in 12-year-old boys living in New York City. How many boys are
needed to ensure that a tw
HLTH 501
WEEK 3 PROBLEMS30
POINTS
10 points per problem. Put answers in the table:
1. RD=0.192
RR=2.095
OR=2.729
C
2. df= 3
alpha= 0.05
Reject H0 if 2> 7.81
2=28.33
D
3. Reject H0 if Z < -1.96 or if Z > 1.96
alpha= 0.05
= 0.270
=
0.367
= 0.175
Z = 3.34
D
HLTH 501
EXCEL EXERCISE WEEK 7
Suppose we want to merely determine whether or not subsequent blood pressure measurement where higher or
lower than one another. One approach would be to use the Sign Test.
Refer to the Sign Test tab in the assignment spread
HLTH 501
EXCEL EXERCISE WEEK 5
Refer to the Scatterplot, Regressions and Correlations tabs to answer the following questions.
Looking at the scatterplot what is the maximum value for systolic blood pressure?_150_1 pt.
Looking at the scatterplot what is th
HLTH 501
WEEK 6 PROBLEMS30 POINTS
10 points each. Place answers in the following table:
1. Alpha = 0.05
n=7
Critical value= 0
Smaller of the number of positive ornegative signs= 1
B)
There is not statistically significant evidence at alpha=0.05 to show th
HLTH 501
EXCEL EXERCISE WEEK 2
Refer to the Histogram tab in the Excel Assignment Spreadsheet and answer the following.
What percent of the sample weighs less than 170 lbs? _ 20.69_ % 1 pt
How many subjects weigh 200 lbs or more? _17_ 1 pt
What percent of
HLTH 501
EXCEL EXERCISE WEEK 3
The standard deviation is a measure of how much variation is present in a sample or population.
Refer to the Descriptives table in the spreadsheet and identify the standard deviation for the
weights of the three groups. Ente