[methods] fill gaps in statistics notes

diff --git a/physics/final.pdf b/physics/final.pdf
index 375bdb14fee6b7e408157c3c4dc9c45944a9bf42..58d19fb9dd44eef87e55e6258bac4183f2fb664d 100644 (file)
Binary files a/physics/final.pdf and b/physics/final.pdf differ