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Which one of the following is a centrographic measure ?

  • A.Geometric mean
  • B.Arithmetic mean
  • C.Mean centre
  • D.Standard deviation

Answer: C

Centrographic measures are the techniques of locating the centre of a spatial distribution, such as the mean centre, the median centre and the standard distance. The mean centre is the average of the x and y coordinates of the points, so it is a centrographic measure. The geometric mean and the arithmetic mean are ordinary statistical averages, and the standard deviation is a measure of spread of data values and not a location of the centre.

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