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Level of Measurement
Message posted by Pauline (via 152.163.197.208) on June 28, 2001 at 12:46 AM (ET)
What is the measure of central tendencies for those variables on the level of measurement question?
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Re: Level of Measurement
Message posted by JG (via 128.8.22.33) on June 28, 2001 at 3:27 AM (ET)
Measure of central tendency means average. There are many different definitions of average. For nominal variables there is no average. For ordinal variables the median is considered a good average. For interval and ratio variables we have - mean, median, mode, midrange, midhinge, etc. For ratio variables, coeffiecient of variation can be useful. For nominal variables, mode can be useful although it is hard to call it an average.
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