Which of the following is true about s and R charts?

A) An R chart is more informative than an s chart.
B) An s chart is more informative than an R chart.
C) Both charts are equally informative.
D) None of the above

S Chart

A statistical control chart used for monitoring the variability of a process based on sample standard deviations.

R Chart

A type of control chart used in statistical process control to monitor the range of variability within a process.

Informative

Providing useful or significant information or data about a subject or topic.