take some simple data points (size 10) of your own, prove that (1). E(x-x)...

  

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take some simple data points (size 10) of your own, prove that (1). E(x-x)<x-a)'.az where is an arbitrary value within the range of the data?. (2). Sum of observations from their mean is always zero. take some simple data points (size 10) of your own, prove that (1). E(x-x)<x-a)'.az where is an arbitrary value within the range of the data?. (2). Sum of observations from their mean is always zero.