Common measures of central tendency are the mean, median, mode.
Common measures of dispersion are range, interquartile range, variance, standard deviation.
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They are statistical measures of the central tendency of a variable.
mean
they measure the same
It is called central tendency because it represents the averages. Central tendency has three measurements: # Mean # Mode # Median
The mean (average value), the median (middle value), and the mode (most frequently occurring value) are all important values.