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Please help calculating the uncertainty here

  1. Dec 30, 2011 #1
    I used a sound sensor in my experiment and hooked it up to the computer and used it to plot a graph of amplitude against time. I then too readings straight off the graph. How would I go by giving a value for the uncertainty in the amplitude?
     
  2. jcsd
  3. Dec 30, 2011 #2
    If the uncertainty is solely reliant off of the sound sensor, the value you got would be accurate to +1/-1 in the last digit. So if your sensor gave you a value of 1.3, the uncertainty would be 1.3 +/-.1.
     
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