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Comment on the outcome of the experiment in the light of the chi-squared probability

  1. Oct 17, 2011 #1
    1. The problem statement, all variables and given/known data

    Plot the data with uncertainty bars and the best fit line on the same graph and comment on the outcome of the experiment in the light of the chi-squared probability and the graphical comparison of the best fit line and data

    3. The attempt at a solution

    my value for chi-squared and the graph seem to contradict each other. The value I got for chi-squared was small, suggesting over-estimated uncertainties, but when the error bars are plotted on the graph, some of the points on the graph are outside the error bars, suggesting that the error that was estimated might have been too small. What does this mean?
     
  2. jcsd
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