These are the 1966 lectures shot in black & white and when ppt was not there.
We are excited about the quality of videos available on youtube, on almost every topic. Look at this video on ANOVA by none other than Prof. Hunter himself. These video was shot in 1966 in black & white but experience the contents.
This is a collection of 40 excellent video lectures from Prof. Bagachi which would be helpful in understanding the concepts.
6sigma-Video Lectures by Prof. Bagachi