30 babies were born in hospital, 10 were less than 2.5 kg and 20 were greater than 2.5 kg the average is
- A. Arithmetic mean
- B. Median
- C. Geometric mean
- D. Mode
Correct Answer: B
Rationale: The median divides the data into two equal parts, making it suitable here.
You may also like to solve these questions
How does the 'healthy worker effect' influence the interpretation of findings from occupational health research?
- A. It tends to decrease mortality differences between workers and the general population.
- B. It tends to increase mortality differences between workers and the general population.
- C. It has no impact on mortality comparisons.
- D. It only affects morbidity rates.
Correct Answer: A
Rationale: The healthy worker effect biases comparisons because workers are generally healthier than the general population, reducing apparent mortality differences.
The common characteristic that both experimental and quasi-experimental study should possess is
- A. Manipulation
- B. Control groups
- C. Randomization
- D. None
Correct Answer: A
Rationale: Both experimental and quasi-experimental studies involve manipulation of variables.
PNMR refers to:
- A. post Neonatal mortality rate
- B. post natal mortality rate
- C. perinatal mortality rate
- D. prenatal mortality rate
Correct Answer: A
Rationale: Post-neonatal mortality rate refers to deaths occurring between 28 days and one year of age.
Is public health surveillance only conducted by public health agencies?
- A. True.
- B. FALSE
Correct Answer: B
Rationale: Public health surveillance is not only conducted by public health agencies. Other entities such as hospitals and private institutions also contribute to surveillance efforts.
In general, before you create a graph to display data, you should put the data into a table.
- A. TRUE
- B. FALSE
Correct Answer: A
Rationale: Organizing data into tables helps prepare it for graphical representation.