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C784 MATH 1100 Applied Healthcare Statistics Final Exam Review Q & A 2024 (Complete And Verified Study material) (22pages) LEARNEXAMS


1. A study is conducted to determine the average recovery time for patients after knee surgery. Which measure of central tendency is most appropriate for this data? - A) Mean - B) Median - C) Mode - D) Range Answer: A) Mean. Rationale: The mean provides the average recovery time, which is useful for understanding the typical patient experience. 2. In a clinical trial, the p-value is calculated to be 0.04. How should this be interpreted? - A) There is a 4% probability the results are due to chance. - B) There is a 96% chance the treatment is effective. - C) The results are not statistically significant. - D) There is a 4% risk of committing a Type I error. Answer: D) There is a 4% risk of committing a Type I error. Rationale: The p-value indicates the risk of concluding that a difference exists when there is none. 3. What does a 95% confidence interval for a mean systolic blood pressure indicate? - A) 95% of the sample has this blood pressure range. - B) There is a 95% probability that this interval contains the true mean. - C) The mean blood pressure is 95% higher than the standard. - D) The measurement is accurate to within 95%. Answer: B) There is a 95% probability that this interval contains the true mean. Rationale: The confidence interval estimates the range in which the true mean likely falls. 4. When comparing the effectiveness of two medications, what type of statistical test is most appropriate? - A) Chi-square test - B) T-test - C) ANOVA - D) Regression analysis Answer: B) T-test. Rationale: A t-test compares the means of two 

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