Discussion
If a frequency distribution has some extreme scores then appropriate measure of central tendency will be ......................... .
Answer: B
The appropriate measure is the median.
The mean uses the value of every score, so a few extreme scores pull it towards them. The median is the middle value of the ordered data and depends only on position, so it is unaffected by how extreme the end values are. For skewed data such as incomes it is the preferred average.
The mode is the most frequent value and can be unstable or multiple, and the range is a measure of dispersion, not of central tendency.
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