Reconsider the polymer viscosity data in Exercise 6 63 Use the median of the span two moving ranges to estimate and set up the individuals control chart Compare this chart to the one originally constructed using the average moving range method to estimate ...

The median moving range method gives slightly wider control limits for both the Individual and ...

Reconsider the polymer viscosity data in Exercise 6.63. Use the median of the span-two moving ranges to

Question:

Reconsider the polymer viscosity data in Exercise 6.63. Use the median of the span-two moving ranges to estimate σ and set up the individuals control chart. Compare this chart to the one originally constructed using the average moving range method to estimate σ.