1. 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. Use SPSS in the same way to answer the questions in Exercise 27 on the full set of data.2. Complete Exercises 6, 8, and 9 in Statistics for Nursing Research: A Workbook for Evidence-Based Practice and submit as directed by the instructor.The objectives are to define basic statistical terms and explain the usefulness of statistics, explain graphical descriptions of data and how a frequency distribution is used to describe a dataset, and calculate descriptive statistics and use them to explain data sets.

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20181211170118module_1___exercise_27___template__1_.docx

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Name

Date 12/14/18

Course

Section

HLT-362V

Module 1 – Exercises 6, 8 and 9

Exercise 6

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.

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

signiﬁcant difference between the moderate and severe airﬂow limitation groups for

psychological symptoms?

7. What frequency and percentage of the total sample used short-acting β 2 -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 β 2 -agonists? Provide a rationale for your answer.

9. Was the percentage of COPD patients with moderate and severe airﬂow limitation using shortacting β 2 -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.

Exercise 8

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

(x̅), 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?

5. What are the mean and median lengths of stay (LOS) for the study participants?

6. Are the mean and median for LOS similar or different? What might this indicate about the

distribution of the sample? Provide a rationale for your answer.

7. Examine the study results and determine the mode for arrhythmias experienced by the

participants. What was the second most common arrhythmia in this sample?

8. Was the most common arrhythmia in Question 7 related to LOS? Was this result statistically

signiﬁcant? Provide a rationale for your answer.

9. What study variables were independently predictive of the 50 premature ventricular

contractions (PVCs) per hour in this study?

10. In Table 1, what race is the mode for this sample? Should these study ﬁndings be generalized

to American Indians with ACS? Provide a rationale for your answer.

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?

2. The data collected with the scale identiﬁed in Questions 1 were at what level of measurement?

Provide a rationale for your answer.

3. 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.

4. Which subscale for Caring Practices had the lowest mean? What does this result indicate?

5. What were the dispersion results for the Relational Care subscale of the Caring Practices in

Table 2? What do these results indicate?

6. Which subscale of Caring Practices has the lowest dispersion or variation of scores? Provide a

rationale for your answer.

7. Which subscale of Caring Practices had the highest mean? What do these results indicate?

8. Compare the Overall rating for Organizational Climate with the Overall rating of Caring

Practices. What do these results indicate?

9. The response rate for the survey in this study was 45%. Is this a study strength or limitation?

Provide a rationale for your answer.

10. What conclusions did the researchers make regarding the caring practices of the nurses in this

study? How might these results affect your practice?

Name

Date 12/14/18

Course

Section

HLT-362V

Module 1 – Exercise 27

1. What is the mean age of the sample data?

2. What percentage of patients never used tobacco? 20%

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?

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?

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