40 statistics questions
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Ch20Questions.pdf
Exercise 20: Understanding Spearman Rank-Order Correlation Coefficient
Questions to Be Graded
Name:
Class:
Date: 31-07-2020
1: How many of the relationships presented in Table 3 of the Li et al. (2014) study are statistically significant at p 0.05? Provide a rationale for your answer.
Answer: .
2: What two variables from Table 3 have the strongest positive correlation? Provide a rationale for your answer.
Answer: .
3: What do the results in Question 2 mean? How might this information be used clinically in caring for patients on hemodialysis?
Answer: .
4: What two variables from Table 3 have the strongest negative relationship?
Answer: .
5: What do the results in Question 4 mean? How might this information be used clinically in caring for patients on hemodialysis?
Answer: .
6: Is the relationship between age and total self-management significant? Provide a rationale for your answer.
Answer: .
7: Is there a stronger relationship between depression and partnership or subjective support and partnership? Provide a rationale for your answer.
Answer: .
8: Describe the relationship between availability of social support and emotional management. What is the strength of the relationship, is it positive or negative, and is it statistically significant?
Answer: .
9: Identify one relationship in Table 3 for which the direction of the relationship (positive or negative) with total self-management in your opinion makes sense clinically. Provide a rationale for your answer.
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Answer: .
10: Calculate the Spearman rho value for the evaluations of four nurses’ patient care by two managers, with 1 indicating the highest quality of care and 4 indicating the lowest quality of care. Discuss the meaning of the result. State the null hypothesis and state if the null hypothesis was accepted or rejected.
Nurses Manager #1 Rankings Manager #2 Rankings M. Jones 3 4 C. Smith 2 3 T. Robert 1 1 S. Hart 4 2
Answer: .
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- s_name: Amanda
- sclass: Stats
