Calculating mean and variance for normal distribution

[Doug Stewart]

DimitryASuplatov wrote:
> Hello,
> I have a common task - to analyze some data, presumptively normaly
> distributed, and calculate its mean, variance and make a plot. I`ve
> checked the book-manual and the mailing list, but all functions that
> have something to do with normal distribution require mean and variance
> as an input parameters. This is very strange. I feel like missing
> something...
>
> Could you just give me a tip. Lets say I have my data in vector x. How
> to get mean and varience assuming normal distribution? And if this would
> not cause many trouble could you give me a link to where I can read this
> because I might be reading in the wrong place.
>
> Thanks a lot for your help!!!
>
> SDA.
>
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>   
try
 mean
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