Q. less the variability exist, the more an average is representative of a set of data. What's the meaning of statement? elaborate with example.
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Expert's answer
2013-01-14T09:34:19-0500
Minor fluctuations reallyallow to assume that the average value is more representative of the general population. Consider, for example, the general population of the population of a country for which is determined by the average life expectancy. Assume that the average life expectancy is 65 years, and the deviation in the first case, 1 year, and the second - 3 years. Accordingly, in the first case, the standard of living varies from 64-66 years, and the second - 62-68. According to the first version of the mean value is more representative than the other.
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