Nokea
The measure of spread most affected by one extreme value is the:
- A. Interquartile range
- B. Range
- C. Standard deviation
- D. Mean
Correct Answer: B
Rationale: The range depends only on the largest and smallest values, making it sensitive to outliers.
You may also like to solve these questions
Targets means—
- A. degree of achievement
- B. result that you want to achieve
- C. both a. and b.
- D. none
Correct Answer: C
Rationale: Targets represent desired outcomes or achievements within a program.
What types of challenges impact the availability of a safe water supply?
- A. Pollution, aging infrastructure, climate change.
- B. Excessive rainfall, low temperatures.
- C. Unlimited freshwater sources, advanced filtration.
- D. High public investment, minimal regulation.
Correct Answer: A
Rationale: Challenges include pollution, deteriorating infrastructure, and climate change affecting water resources.
Plotted curve usually begins in the upper left corner
- A. Cumulative frequency curve
- B. Survival curve
- C. Both
- D. Neither
Correct Answer: B
Rationale: Survival curves begin in the upper left corner indicating 100% survival initially.
The impact of an exposure on a population does not depend upon:
- A. the strength of the association between exposure and disease.
- B. the prevalence of the exposure.
- C. the case fatality rate.
- D. the overall incidence rate of disease in the population.
Correct Answer: C
Rationale: The case fatality rate refers to the proportion of individuals with a disease who die from it. While important, it does not directly determine the impact of an exposure on a population. The impact depends more on prevalence, incidence, and strength of association.
Which of the following does not fall under planning?
- A. Follow up
- B. Plan formulation
- C. Execution
- D. Evaluation
Correct Answer: A
Rationale: Follow-up is typically considered part of monitoring rather than planning.