Description
Questions to Be Graded: Exercise 27
Use MS Word to complete “Questions to be Graded: Exercise 27” in Statistics for Nursing Research: A Workbook for Evidence-Based Practice. Submit your work in SPSS by copying the output and pasting into the Word document. In addition to the SPSS output, please include explanations of the results where appropriate.
Questions to Be Graded: Exercises 6, 8 and 9
Complete Exercises 6, 8, and 9 in Statistics for Nursing Research: A Workbook for Evidence-Based Practice, and submit as directed by the instructor.
Questions to Be Graded
EXERCISE
27
Name:
Class:
Date:
Follow your instructor’s directions to submit your answers to the following questions for grading.
Your instructor may ask you to write your answers below and submit them as a hard copy for
grading. Alternatively, your instructor may ask you to use the space below for notes and submit your
answers online at http://evolve.elsevier.com/Grove/statistics/ under “Questions to Be Graded.”
1. What is the mean age of the sample data?
2. What percentage of patients never used tobacco?
3. What is the standard deviation for age?
4. Are there outliers among the values of age? Provide a rationale for your answer.
5. What is the range of age values?
306
EXERCISE 27
Calculating Descriptive Statistics
6. What percentage of patients were taking infliximab?
7. What percentage of patients had rheumatoid arthritis as their primary diagnosis?
8. What percentage of patients had irritable bowel syndrome as their primary diagnosis?
9. What is the 95% CI for age?
10. What percentage of patients had psoriatic arthritis as their primary diagnosis?
Questions to Be Graded
EXERCISE
6
Name:
Class:
Date:
Follow your instructor’s directions to submit your answers to the following questions for grading.
Your instructor may ask you to write your answers below and submit them as a hard copy for
grading. Alternatively, your instructor may ask you to use the space below for notes and submit your
answers online at http://evolve.elsevier.com/Grove/statistics/ under “Questions to Be Graded.”
1. What are the frequency and percentage of the COPD patients in the severe airflow limitation
group who are employed in the Eckerblad et al. (2014) study?
2. What percentage of the total sample is retired? What percentage of the total sample is on sick
leave?
3. What is the total sample size of this study? What frequency and percentage of the total sample
were still employed? Show your calculations and round your answer to the nearest whole percent.
4. What is the total percentage of the sample with a smoking history-either still smoking or former
smokers? Is the smoking history for study participants clinically important? Provide a rationale
for your answer.
68
EXERCISE 6
Understanding Frequencies and Percentages
5. What are pack years of smoking? Is there a significant difference between the moderate and severe
airflow limitation groups regarding pack years of smoking Provide a rationale for your answer.
6. What were the four most common psychological symptoms reported by this sample of patients
with COPD? What percentage of these subjects experienced these symptoms? Was there a sig-
nificant difference between the moderate and severe airflow limitation groups for psychological
symptoms?
7. What frequency and percentage of the total sample used short-acting B-agonists? Show your
calculations and round to the nearest whole percent.
8. Is there a significant difference between the moderate and severe airflow limitation groups
regarding the use of short-acting B2-agonists? Provide a rationale for your answer.
9. Was the percentage of COPD patients with moderate and severe airflow limitation using short-
acting Br-agonists what you expected? Provide a rationale with documentation for your answer.
10. Are these findings ready for use in practice Provide a rationale for your answer.
Questions to Be Graded
EXERCISE
8
Name:
Class:
Date:
Follow your instructor’s directions to submit your answers to the following questions for grading.
Your instructor may ask you to write your answers below and submit them as a hard copy for
grading. Alternatively, your instructor may ask you to use the space below for notes and submit your
answers online at http://evolve.elsevier.com/Grove/statistics/ under “Questions to Be Graded.”
1. The number of nursing students enrolled in a particular nursing program between the years of
2010 and 2016, respectively, were 563, 593, 606, 520, 563, 610, and 577. Determine the mean
(X), median (MD), and mode of the number of the nursing students enrolled in this program.
Show your calculations
2. What is the mode for the variable inpatient complications in Table 2 of the Winkler et al. (2014)
study? What percentage of the study participants had this complication?
3. Does the distribution of inpatient complications have a single mode, or is this distribution
bimodal or multimodal? Provide a rationale for your answer.
4. As reported in Table 1, what are the three most common cardiovascular medical history events
in this study, and why is it clinically important to know the frequency of these events?
Copyright 2017, Elsevier Inc. All rights reserved.
87
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attachment
EXERCISE
27
Name:
Class:
Date:
Follow your instructor’s directions to submit your answers to the following questions for grading.
Your instructor may ask you to write your answers below and submit them as a hard copy for
grading. Alternatively, your instructor may ask you to use the space below for notes and submit your
answers online at http://evolve.elsevier.com/Grove/statistics/ under “Questions to Be Graded.”
1. What is the mean age of the sample data?
2. What percentage of patients never used tobacco?
3. What is the standard deviation for age?
4. Are there outliers among the values of age? Provide a rationale for your answer.
5. What is the range of age values?
306
EXERCISE 27
Calculating Descriptive Statistics
6. What percentage of patients were taking infliximab?
7. What percentage of patients had rheumatoid arthritis as their primary diagnosis?
8. What percentage of patients had irritable bowel syndrome as their primary diagnosis?
9. What is the 95% CI for age?
10. What percentage of patients had psoriatic arthritis as their primary diagnosis?
Questions to Be Graded
EXERCISE
6
Name:
Class:
Date:
Follow your instructor’s directions to submit your answers to the following questions for grading.
Your instructor may ask you to write your answers below and submit them as a hard copy for
grading. Alternatively, your instructor may ask you to use the space below for notes and submit your
answers online at http://evolve.elsevier.com/Grove/statistics/ under “Questions to Be Graded.”
1. What are the frequency and percentage of the COPD patients in the severe airflow limitation
group who are employed in the Eckerblad et al. (2014) study?
2. What percentage of the total sample is retired? What percentage of the total sample is on sick
leave?
3. What is the total sample size of this study? What frequency and percentage of the total sample
were still employed? Show your calculations and round your answer to the nearest whole percent.
4. What is the total percentage of the sample with a smoking history-either still smoking or former
smokers? Is the smoking history for study participants clinically important? Provide a rationale
for your answer.
68
EXERCISE 6
Understanding Frequencies and Percentages
5. What are pack years of smoking? Is there a significant difference between the moderate and severe
airflow limitation groups regarding pack years of smoking Provide a rationale for your answer.
6. What were the four most common psychological symptoms reported by this sample of patients
with COPD? What percentage of these subjects experienced these symptoms? Was there a sig-
nificant difference between the moderate and severe airflow limitation groups for psychological
symptoms?
7. What frequency and percentage of the total sample used short-acting B-agonists? Show your
calculations and round to the nearest whole percent.
8. Is there a significant difference between the moderate and severe airflow limitation groups
regarding the use of short-acting B2-agonists? Provide a rationale for your answer.
9. Was the percentage of COPD patients with moderate and severe airflow limitation using short-
acting Br-agonists what you expected? Provide a rationale with documentation for your answer.
10. Are these findings ready for use in practice Provide a rationale for your answer.
Questions to Be Graded
EXERCISE
8
Name:
Class:
Date:
Follow your instructor’s directions to submit your answers to the following questions for grading.
Your instructor may ask you to write your answers below and submit them as a hard copy for
grading. Alternatively, your instructor may ask you to use the space below for notes and submit your
answers online at http://evolve.elsevier.com/Grove/statistics/ under “Questions to Be Graded.”
1. The number of nursing students enrolled in a particular nursing program between the years of
2010 and 2016, respectively, were 563, 593, 606, 520, 563, 610, and 577. Determine the mean
(X), median (MD), and mode of the number of the nursing students enrolled in this program.
Show your calculations
2. What is the mode for the variable inpatient complications in Table 2 of the Winkler et al. (2014)
study? What percentage of the study participants had this complication?
3. Does the distribution of inpatient complications have a single mode, or is this distribution
bimodal or multimodal? Provide a rationale for your answer.
4. As reported in Table 1, what are the three most common cardiovascular medical history events
in this study, and why is it clinically important to know the frequency of these events?
Copyright 2017, Elsevier Inc. All rights reserved.
87
Purchase answer to see full
attachment
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