The measure of central location generally preferred for additional statistical analysis is the:
- A. Mean
- B. Median
- C. Midrange
- D. Mode
Correct Answer: A
Rationale: The mean is used in further computations due to its mathematical properties.
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Father of medical sociology
- A. Macintyre
- B. Hippocrates
- C. john snow
- D. none
Correct Answer: A
Rationale: Alfred McClung Macintyre is considered the father of medical sociology.
A method of comparing the benefit measured in terms of a social objective of a project with all cost of that project is known as
- A. cost benefit analysis
- B. cost effectiveness analysis
- C. cost utility analysis
- D. cost efficiency analysis
Correct Answer: B
Rationale: Cost effectiveness analysis measures benefits in terms of achieving social objectives.
A constant rate of change would be represented by a curved line
- A. Arithmetic-scale line graph
- B. Semilogarithmic-scale line graph
- C. Both
- D. Neither
Correct Answer: A
Rationale: On arithmetic-scale graphs, constant rates appear as straight lines.
Demographic gap means
- A. Differences in sex ratio
- B. Differences between age-specific birth and death rates
- C. Differences between birth and death rates
- D. Differences in child and women ratio
Correct Answer: C
Rationale: Demographic gap refers to the difference between birth and death rates in a population, indicating population growth or decline.
A number of passengers on a cruise ship have developed a gastrointestinal illness. Your case definition should include, at a minimum:
- A. Clinical criteria, plus specification of time, place, and person
- B. Clinical features, plus the exposure(s) you most suspect
- C. Suspect cases
- D. The nationally agreed standard case definition for disease reporting
Correct Answer: A
Rationale: A case definition must specify clinical criteria and the context of time, place, and person.