Does anyone know anything about statistics? ? ? ?
Im stuck on this and its the only one i have left to do but im so ****en lost...
THIS IS THE QUESTION:
In the study of sampling distribution of the sample mean, what happens to the possible sample means for samples of the same size as the sample size increases? Explain the relevance of this property in estimating a population mean by a sample mean.
THIS IS THE QUESTION:
In the study of sampling distribution of the sample mean, what happens to the possible sample means for samples of the same size as the sample size increases? Explain the relevance of this property in estimating a population mean by a sample mean.
The mean of the distribution of sample means approaches the population mean and the variance of the distribution of sample means approaches zero.
Duh!
(I'll leave the second part to you.)
Duh!
(I'll leave the second part to you.)
Originally Posted by magician' date='Jan 25 2009, 10:30 PM
The mean of the distribution of sample means approaches the population mean and the variance of the distribution of sample means approaches zero.
Duh!
(I'll leave the second part to you.)
Duh!
(I'll leave the second part to you.)
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Originally Posted by mszalli' date='Jan 25 2009, 10:50 PM
stat was hard..
i got a B somehow but I have no idea what you wrote and what I learned
i got a B somehow but I have no idea what you wrote and what I learned
if the sample size is larger, it becomes closer to what mu actually is (the actual mean). we can never know the actual mean of anything, that is just the nature of the world, but by increasing the sample size, we can get the closest estimate for mu (actual mean). hope this helps. haha sorry the the first post.. i just had to brag a little..


