A dataset has the following values: 2, 3, 3, 4, 10. Which measure of central tendency is most affected by the extreme value?
Show answer and explanation
Correct answer: Mean
The mean is strongly influenced by extreme values, while the median and mode are less sensitive.
Practice all 20 Biostatistics: Mean, Median, Risk Ratios questions
Keep practicing
More Biostatistics: Mean, Median, Risk Ratios questions
- In a positively skewed distribution, which relationship between mean, median, and mode is expected?
- A study reports that smokers have a lung cancer incidence of 30 per 1,000, while nonsmokers have 5 per 1,000. What is the relative risk?
- A screening test incorrectly labels many healthy people as having a disease. Which statistic is reduced?
- Which measure is most appropriate for describing the central value of ordinal data such as pain scales?
- A researcher reports that the median age of patients is 37. What does this imply?
- A high standard deviation in a dataset indicates: