Episodes

Friday Jan 03, 2025
Friday Jan 03, 2025
A positive aspect of Shewhart charts is using control chart limits to avoid tampering with a process in a state of control. Includes a discussion of the rationale for using three as the multiplier of the standard deviation when setting control chart limits.

Monday Dec 30, 2024
Monday Dec 30, 2024
A positive aspect of Shewhart charts: a plot of the data. Includes a general discussion of the Hawthorne Effect.

Sunday Dec 15, 2024

Sunday Dec 15, 2024