The numbers of antenatal visits made by five women are 2, 3, 3, 4 and 6. Which measure is the mode?
Correct answer: B. 3 visits
- A. 2 visits
- B. 3 visits
- C. 4 visits
- D. 6 visits
Explanation
The mode is the value that occurs most frequently in a data set. The value 3 occurs twice, while every other value occurs once.
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About Epidemiology and Biostatistics
Epidemiology examines the distribution and causes of disease by person, place and time, using measures such as incidence, prevalence, mortality and case-fatality rates. Biostatistics covers data presentation, sampling, averages, variability, probability and interpretation of study results, while distinguishing association from causation.
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