Bennett et al. (2003) measured the refractive index (RI) of a pane of glass at 49 di erent locations. She took a sample of 10 fragments at each location and determined the RI for each. The data from locations 1 and 3, shown below, have been rescaled by substracting 1.519 from each measurement and multiplying by \(10^{5}\) to make them easier to enter:

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Location 1 100 100 104 100 101 100 100 102 100 102 3 101 100 101 102 102 98 100 101 103 100