[spec/methods] tidy up

diff --git a/spec/statistics.pdf b/spec/statistics.pdf
index 5408f9ead6b38066451bad55ab97ad94bf715d32..d756a7f0e70696978718c8e8165cce8f12571084 100644 (file)
Binary files a/spec/statistics.pdf and b/spec/statistics.pdf differ