Discussion
Which of the following measures of the central tendency suits the data best if the objective is to assess the distribution of values ?
Answer: C
The keyed answer is the median. The median is the middle value when the data are in order, so it divides the distribution into two equal halves and is not pulled by a few very high or very low values, which makes it suit data that are not evenly spread. The arithmetic mean is affected by extreme values, and the mode is only the most frequent value and says little of the whole distribution. Kurtosis is not a measure of central tendency at all, since it describes the peakedness of a distribution, so option D is wrong. The keyed answer is option C.
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