20 Statistics homework questions
Exercise 18: Understanding Analysis of Variance (ANOVA) and Post Hoc Analyses
Questions to Be Graded
Name:
Class:
Date: 20-07-2020
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 of this exercise to calculate the group df and the error df.
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2: What is the F value and p value for spiritual need—patient? What do these results mean?
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3: What is the post hoc result for facilities for the hospital with LCP vs. the hospital without LCP (see Table 2)? Is this result statistically significant? In your opinion, is this an expected finding?
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4: What are the assumptions for use of ANOVA?
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5: What variable on Table 3 has the result F = 10.6, p 0.0001? What does the result mean?
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6: ANOVA was used for analysis by Mayland et al. (2014). Would t-tests have also been appropriate? Provide a rationale for your answer.
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7: Which group had the largest mean for the care variable? Identify the mean, standard deviation, and range for this group and discuss what these results mean.
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8: State the null hypothesis for care for the three study groups (see Table 2). Should the null hypothesis be accepted or rejected? Provide a rationale for your answer.
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9: What are the post hoc results for care? Which results are statistically significant? What do the results mean? Document your answer.
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10: In your opinion, do the study findings presented in Tables 2 and 3 have implications for end of life care in the United States? Provide a rationale for your answer. Document your answer.
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- s_name: Amanda
- sclass: Statistics