The attached file contains a pore-size distribution (microns) for a sandstone. Download the file and import it into excel or your preferred choice of software.
1. Determine the number of data points in the data set.
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2. Create four different histograms of the data using 5, 15, 35, and 75 bins. From a visual perspective, which histogram appears to best represent the data?
3. Determine the optimal bandwidth h according to Equation 4.1 from the textbook. (This equation requires the standard deviation of the data, which we have not studied yet. However, it can easily be determined from excel, numpy, or other math software.)