For a sample of identically and independently distributed variables , each having a mean μ and variance for what is i) ii) iii) thanks a lot
Last edited by cky78; Sep 23rd 2010 at 07:54 AM.
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Originally Posted by cky78 For a sample of identically and independently distributed variables , each having a mean μ and variance for what is i) ii) iii) thanks a lot Because are independent (just write out the expectation of the product and observe that independence means that ) Then the rest should follow easily (you might also need ) CB
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