Which measure of central tendency is least affected by the presence of extreme observations in the data?
- A. Arithmetic mean
- B. Harmonic mean
- C. Geometric mean
- D. Median ✓
Correct Answer: D. Median
Explanation
Median is the positional average and divides the dataset into two equal halves, making it the least affected by the presence of extreme observations (outliers) in the data.
Related questions on Statistics
- To find the average ratio like price/unit, work done/hour, kilometre/hour under certain conditions, the suitable measure of central tendency...
- The frequency distribution of marks of 100 candidates in a particular examination is as follows: Marks | Number of Candidates More than 10 |...
- The arithmetic mean of 200 observations is 60. If 5 is multiplied to each observation, then what will be the new arithmetic mean?
- A distribution consists of 3 components with frequencies 45, 40 and 55 having their means 2, 2.5 and 2 respectively. What is the mean of the...
- Which one of the following is a positional average?