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Download full textLeon, Marjorie Roth; Zawojewski, Judith S. – 1993
The understanding of children and adults regarding four component properties of the arithmetic mean was studied. The component properties were: (1) the mean is a data point between extreme values of a score distribution; (2) the sum of deviations about the mean equals zero; (3) when the mean is calculated, any value of zero must be taken into…
Descriptors: Age Differences, Child Development, College Students, Comparative Testing
