The reason was to make the histogram neater that i

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Unformatted text preview: reason was to make the histogram neater, that I set my overall range of bins wider than the exact overall range of security return. 2. Decide the range of each bin. Since I have set the overall range of my bins, I am going to determine the range of each bin. Personally, I don't want to make the amount of bins too small, otherwise some statistical feature could not be reflected; neither make it too large, otherwise the histogram would become too ugly. Like what I did, I want to have 16 bins altogether, so I calculate the jump of each bin to be: [15-(25)]/16=2.5. Th...
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