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Unformatted text preview: median. Mean=arithmetic sum of scores in distribution divided by the number of scores Advantages: o To indicate the point on the scale of measures where the population is centered. o The mean is the average of the scales in the population. o Numerically it equals the sum of the scores divided by the number of scores. o It is of interest that the mean is the one value which, if substituted for every population o would yield the same sum as the original scores, and hence it would yield the same mean. Relationship between measures of central tendency Normal curve: Mean, mode, and median all the same score Skewed: Mode=peak of distribution Median=in middle Mean=closest to tail of distribution...
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- Spring '09