(GCU) NRS-362V Applied Statistics - Final Exam Review

HLT-362V




Applied Statistics




FINAL EXAM REVIEW




©GCU 2024/2025

,1. Question: What statistical test is most appropriate for
comparing the means of two independent groups, such as the
average blood pressure of patients receiving two different
treatments?
- A) Chi-Square Test
- B) T-test
- C) ANOVA
- D) Mann-Whitney U Test
Answer: B) T-test
Rationale: A T-test is specifically designed to compare the
means of two independent samples.


2. Question: In a clinical trial evaluating a new medication, the
p-value obtained for the primary outcome is 0.03. What does this
suggest about the null hypothesis?
- A) It is likely true
- B) It is rejected at a significance level of 0.05
- C) It should not be considered
- D) It indicates a strong effect size
Answer: B) It is rejected at a significance level of 0.05

©GCU 2024/2025

, Rationale: A p-value of 0.03 is less than the common
significance level of 0.05, suggesting the null hypothesis can be
rejected.


3. Question: Which of the following metrics is NOT a measure
of central tendency?
- A) Mean
- B) Median
- C) Mode
- D) Variance
Answer: D) Variance
Rationale: Variance measures the dispersion of data points,
not central tendency.


4. Question: If the confidence interval for the mean difference
between two treatments is (1.5, 3.5), what can be concluded?
- A) There is no significant difference between treatments
- B) The mean difference is statistically insignificant
- C) The true mean difference is likely between 1.5 and 3.5
- D) The treatment effects are equal
Answer: C) The true mean difference is likely between 1.5
and 3.5

©GCU 2024/2025