Nam
e
Date
Esperanza Ramirez
Course
HLT-362V
9/16/17
Section
OL191
Module 1 Exercises 6, 8 and 9
Exercise 6
1. What are the frequency and percentage of the COPD patients in the severe airow limitation
group who are employed in the Eckerblad et al. (2014)
Exercise 9
1. What were the name and type of measurement method used to measure Caring Practices in the
Roch, Dubois, and Clarke (2014) study?
The name and type of measurement used was a two-phase mixed method. The first phase of the
study was quantitativ
What were the subscales included in the CNPISS used to measure RNs' perceptions of their
Caring Practices? Do these subscales seem relevant? Document your answer. -The subscales were overall
rating, clinical care, relational care and comforting care.-They
Nam
e
Date
Elizabeth Fiedler
Course
HLT-362V
09/16/2017
Section
Ol191
Module 1 Exercises 6, 8 and 9
Exercise 6
1. What are the frequency and percentage of the COPD patients in the severe airow limitation group
who are employed in the Eckerblad et al. (201
Explain the importance of random sampling. What problems/limitations could prevent a truly random
sampling and how can they be prevented?
Probability sampling, also known as random sampling, requires that every member of the study
population has an equal
Nam
e
Date
Elizabeth Fiedler
Course
HLT-362V
9-16-2017
Section
0L191
Module 1 Exercises 6, 8 and 9
Exercise 6
1. What are the frequency and percentage of the COPD patients in the severe airow
limitation group who are employed in the Eckerblad et al. (2014
Nam
e
Date
Elizabeth Fiedler
Course
09/24/2017
Section
HLT-362V
Module 2 Exercise 26
1. Plot the frequency distribution for Age at Enrollment by hand or by using SPSS.
2. How would you characterize the skewness of the distribution in Question 1
positively
Nam
e
Date
Nancy Rivas
Course
HLT-362V
09/16/2017
Section
Ol191
Module 1 Exercise 27
1. What is the mean age of the sample data?
56.5
2. What percentage of patients never used tobacco?
20%
3. What is the standard deviation for age?
19.25992
4. Are there o
Explain the importance of random sampling. What problems/limitations could
prevent a truly random sampling and how can they be prevented?
Probability sampling, also known as random sampling, requires that every member of the
study population has an equal
Nam
e
Date
Elizabeth Fiedler
Course
HLT-362V
09/16/2017
Section
Ol191
Module 1 Exercise 27
What is the mean age of the sample data?
56.5 is the mean age of the sample data.
2. What percentage of patients never used tobacco?
20% of the patients never smoke
Jennifer Ramos_
USE This TEMPLATE TO WRITE YOUR ANSWERS Delete ALL notes and directions before turning
the assignment in
Exercise # 27
42+41+56+78+86+49+82+35+59+37=565/10=56.5=57 years of age is the mean sample age .
2 out if ten never smoked tobacco so
Name
Date
Course
Section
HLT362v
EXERCISE 18
Understanding Analysis of Variance (ANOVA) and Post Hoc Analyses
1. Mayland et al. (2014) do not provide the degrees of freedom (df) in their study. Use the degrees of
freedom formulas provided at the beginning
Name
Date
Christina Pich
03/01/17
Course
Section
HLT362v
EXERCISE 16
Understanding Independent Samples t-Test
1. What do degrees of freedom (df ) mean? Canbulat et al. (2015) did not provide the dfs in their study.
Why is it important to know the df for a
Name
Date
Christina Pich
02/25/17
Course
Section
HLT362v
EXERCISE 26
Determining the Normality of a Distribution
1. Plot the frequency distribution for Age at Enrollment by hand or by using SPSS.
2. How would you characterize the skewness of the distribut
Name
Date
Christina Pich
02/25/17
Course
Section
HLT362v
EXERCISE 10
Description of a Study Sample
1. What demographic variables were measured at the nominal level of measurement in the Oh et al.
(2014) study? Provide a rationale for your answer.
The nomi
Name
Date
Christina Pich
03/01/17
Course
Section
HLT362v
EXERCISE 31
Calculating t-tests for Independent Samples
1. Do the example data meet the assumptions for the independent samples t-test? Provide a rationale
for your answer.
The assumptions are:
1. S
Name
Date
Christina Pich
02/18/17
Course
Section
HLT362v
EXERCISE 27
Calculating Descriptive Statistics
1. What is the mean age of the sample data?
Descriptive Statistics
N
Minimum
Age
10
Valid N (listwise)
10
Maximum
35
86
Mean
Std. Deviation
56.50
19.26
Name: Aubrey Kennedy
Date: 9/25/2016
Topic 2: Population and Sampling
Distribution Excel Worksheet
Directions: Answer all questions and submit to instructor at the end of Topic 2
1 A. For a normal distribution that has a mean of 100,
and a standard deviat
Complete Exercise 36 in Statistics for Health Care Research: A Practical Workbook.
In order to receive full credit on calculated answers, please show your work. (Use Word's
equation editor, etc., and/or provides a short written description as to how you o
Complete Exercise 23 and 24 in Statistics for Health Care Research: A Practical Workbook.
In order to receive full credit on calculated answers, please show your work. (Use Word's
equation editor, etc., and/or provides a short written description as to ho
Name: Aubrey Kennedy
Date: 10/1/2016
Hypothesis Testing
Answer each question completely to recieve full credit
1. There is a new drug that is used to treat leukemia. The following data
represents the remission time in weeks for a random sample of 21
patie
Aubrey Kennedy
Exercises 11 and 16
HLT-362V-0503
September 18, 2016
Exercise 11
1. Age, Income, length of labor, return to work, and number of hours working per week.
2. Sample size, median, and standard deviation were used to describe the length of labor
How can graphics and/or statistics be used to misrepresent data? Where have you
seen this done?
Statistics are commonly used to prove or disprove theories related to illness and
medications. Even if the study is carefully planned to conduct as a result of
1. Patient 3, with a T score of 63.
2. Patient 4, with a T score of 23.
3. Yes there was more of a memory performance decline. The patient had a score of 23,
and the average score is 38.2.
4. The mean ( )=45.9 standard deviation (SD)=5.2
5. The preoperati
How would you explain the analysis of variance, assuming that your audience has
not had a statistics class before?
Analysis of variance (ANOVA) is used when comparing three or more groups of
numbers. It is indicated when hypothesis testing is performed, w
What are the characteristics of a population for which it would be appropriate to use
mean/median/mode? When would the characteristics of a population make them
inappropriate to use
The mean is essentially a model of your data set. It is the value that is
Name:
Date:
Topic One: Mean, Variance, and Standard Deviatio
Please type your answer in the cell beside the question.
Please type you answer in the cell beside the question.
1. Identify the sampling technique being used. Every 20th patient that co
emergen
Name:
Date:
Hypothesis Testing
Answer each question completely to recieve full credit
1. There is a new drug that is used to treat leukemia. The following data
represents the remission time in weeks for a random sample of 21
patients using the drug.
10
11
Name:
Date:
Topic 2: Population and Sampling
Distribution Excel Worksheet
Directions: Answer all questions and submit to instructor at the end of Topic 2
1 A. For a normal distribution that has a mean of 100,
and a standard deviation of 8, determine the Z