Nokea
Which of the following is unrelated to the chi square test of significance?
- A. Degree of freedom
- B. Life table
- C. Significance level
- D. Qualitative data
Correct Answer: B
Rationale: Life tables are not directly related to chi-square tests, which assess qualitative data associations.
You may also like to solve these questions
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.
The fraction 50 / 54 is a/an:
- A. Attack rate
- B. Food-specific attack rate
- C. Incidence proportion
- D. Proportion
Correct Answer: B
Rationale: This fraction focuses on illness among those exposed to wedding cake.
Aflatoxin causes,
- A. neurolathyrism
- B. hepatoma
- C. cholengio carcinoma
- D. botulism
Correct Answer: B
Rationale: Aflatoxins are carcinogenic compounds that primarily cause liver cancer (hepatoma).
Which of the following is the best indicator of health status of a community?
- A. Birth rate
- B. Infant mortality rate
- C. Crude death rate
- D. None of the above
Correct Answer: B
Rationale: Infant Mortality Rate (IMR) is widely regarded as a sensitive indicator of the health status of a community, reflecting access to healthcare, nutrition, and living conditions.
The geometric mean is the value that:
- A. Is midway between the lowest and highest value on a log scale
- B. Occurs most often on a log scale
- C. Has half the observations below it and half above it on a log scale
- D. Is statistically closest to all of the values in the distribution on a log scale
Correct Answer: A
Rationale: Geometric mean finds the central tendency for a set of numbers by using the product of their values.