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Statistic vs Parameter 
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#1
May1508, 06:31 PM

PF Gold
P: 1,131

Hey. I just wanted to clear something up. My texbook often refers to statistics and parameters. Is a statistic simply a calculation made on a sample, whereas a parameter is a property of the whole property from which the sample was taken?
Thanks in advance, Dan. 


#2
May1608, 01:47 AM

P: 270

Yeah, basically. A common definition of "statistic" is "a function of a sample/observation." A parameter is a property of the underlying population distribution. For example, the sample mean is a statistic which, as the sample becomes large, approaches the population mean, which is a parameter.



#3
May1608, 06:42 AM

PF Gold
P: 1,131

yep ok that answers my question thanks



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