| sample mean |
the arithmetic mean of the observed values of a random sample, conventionally denoted by a barred variable, eg, .; (read
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| sample mean |
In mathematics and statistics, the arithmetic mean of a set of numbers is the sum of all the members of the set divided by the number of items in the set. (The word set is used perhaps somewhat loosely; for example, the number 3.8 could occur more than once in such a "set".) The arithmetic mean is what pupils are taught very early to call the "average." If the set is a statistical population, then we speak of the population mean. ...
출처: en.wikipedia.org/wiki/Sample_mean
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| sample mean |
The mean or average of the sample values. It is conventionally represented by x-bar, but in these pages by m.
출처: www.umass.edu/wsp/statistics/glossary/sz.html
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