Statistical question

Luke Scicluna scicluna at ivi.admin.ch
Mon Jun 17 21:00:04 EST 1996


Could anyone help me with a question.
	My problem is I have a positive result from ELISA and a background  
result.  I would like to subtract my background result from the  
positive result.  These are two means of an average of two wells.  I  
would like to take into account in this calculation the deviation  
within each mean, for the positive and negative results, so as to  
have a more representative result of the variation.  This I would  
like to do by weighting the resulting value from the subtraction of  
the two means by the standard deviation (or error of the two means).   
Is such a calculation possible.
	Is this clear !!!!!! I hope so statistics is not my field.
	Thanks for any possible ideas.

	Luke Scicluna

Luke.Scicluna at ivi.admin.ch

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