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Questions about % difference, inherent error, and % relative average difference.

  1. Jul 13, 2011 #1
    1. Done in a lab: % difference: 0.679%, inherent error: 0.7%, % RAD: 0.941%. Anyway, I'm just having trouble interpreting what they mean in comparison to each other. What does the inherent error say about the % difference? And what does it mean if my %RAD is greater than my inherent error?

    2. Relevant equations

    3. The attempt at a solution
    I really don't know what the inherent error tells me about the %difference. I know that the inherent error is the error due to the use of certain laboratory equipment and is unavoidable for the most part. The % difference means how far you were from the theoretical value. But what do they have to do with one other? The inherent error in this case is slightly larger than that of the percent difference. I'm guessing here, does this mean that there is a good chance that the % error due to the equipment (inherent error) might have been the cause of the % difference? If it is smaller than the inherent error, then it is in the realm of possibility that the difference in the actual value was due to the equipment right?

    % RAD is a measure of precision and how precise the data points are to each other and the average. If this is larger than the inherent error it means that there was more human error than error due to the equipment?
  2. jcsd
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