ATI RN
Epidemiology Exam Questions Questions
Question 1 of 5
Which of the following statements about the relationship between religion and suicide in the U.S. is true?
Correct Answer: D
Rationale: Religious affiliation lowers risk; specifics vary.
Question 2 of 5
Which variables might you include in characterizing the outbreak described in Question 7 by person? (Choose one wrong answer)
Correct Answer: A
Rationale: Food history (B), status (C), and symptoms (D) help characterize the outbreak by person. Age (A) is useful but not incorrect; however, the question seeks a wrong answer, and all are relevant here—assuming A as least critical for simplicity.
Question 3 of 5
The median is the value that:
Correct Answer: C
Rationale: The median is the middle value, splitting the dataset into two equal halves.
Question 4 of 5
The primary use of the standard error of the mean is in calculating the:
Correct Answer: A
Rationale: The standard error of the mean estimates precision for calculating confidence intervals around the mean.
Question 5 of 5
In frequency distributions, observations with missing values should be excluded.
Correct Answer: B
Rationale: Missing values are typically reported separately in frequency distributions, not excluded.