M 1 - Chp 6  - Statistics- Lecture 1 - As below

M 1 - Chp 6 - Statistics- Lecture 2 - As below

M 1 - Chp 6 - Statistics- Lecture 3- As below

M 1 - Chp 6 - Statistics-  Lecture -4 - As below

M 1 - Chp 6 - Statistics-Lecture -5 - As below

M 1 - Chp 6 -Statistics-  Lecture -6 - As below