The measures of central tendency are mean, median, and mode. The merits of mean are that it is easily calculated and easy to understands. Demerits are that it may be theoretical and cannot be used for qualitative date.
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merits and demerits of index number
Mean median mode
One advantage to using central tendency is the fact that is represents all data. A disadvantage to using central tendency is the fact that extremes can skew the data.
"Measures of central tendency are statistical measures." is an accurate statement.
For which measure of central tendency will the sum of the deviations always be zero?