Table 3. NIST statistical test results for attachment motions.

Test	P value	Test	P value
Frequency	.88	Block frequency	.14
Runs	.11	Longest runs	.10
Binary matrix rank	.17	FFTa	.62
Non-overlap template	.16	Overlapping template	.38
Serial (P value1)	.64	Linear complexity	.72
Serial (P value2)	.68	Approximate entropy	.18
Cumulative sums (forward)	.19	Random excursions	.22
Cumulative sums (reverse)	.26	Random excursions var.	.40

^aFFT: fast Fourier transform.