Cryptology The Phi Distribution for Short Random Texts

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We take 26000 new random letters, see here, and chop it into chunks of 26. Here is the spreadsheet, and here are the results:

To get φ-values divide x-values in the graphic by 13 x 25 = 325.

Distribution of φ for 2000 random texts of 26 letters

Minimum:	0.0154
Median:	0.0400		Mean value:	0.0401
Maximum:	0.0954		Standard dev:	0.0112
1st quartile:	0.0338		5% quantile:	0.0246
3rd quartile:	0.0462		95% quantile:	0.0585