Nokea
If null hypothesis is rejected even if it is true is
- A. Type I error
- B. Type II error
- C. β error
- D. µ error
Correct Answer: A
Rationale: A Type I error occurs when the null hypothesis is incorrectly rejected.
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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.
Is underreporting a problem for detecting outbreaks of notifiable diseases?
- A. True.
- B. FALSE
Correct Answer: A
Rationale: Underreporting can mask true outbreak sizes, hindering effective response.
Confidence limit can be calculated by using
- A. Mean and range
- B. Mean standard deviation
- C. Median and range deviation
- D. Median and standard
Correct Answer: B
Rationale: Confidence limits are calculated using the mean and standard deviation.
Very simple probability is:
- A. conditional probability
- B. marginal probability
- C. binomial probability
- D. both(b)&(c)
Correct Answer: B
Rationale: Marginal probability is a basic form of probability focusing on individual events.
The main of antituberculosis is
- A. bacteriological care
- B. radiological care
- C. prevent complication
- D. contact tracing
Correct Answer: A
Rationale: Bacteriological care is the cornerstone of tuberculosis control as it confirms diagnosis and monitors treatment effectiveness.