Explore BrainMass

Determine sample size from Control Chart values

Below are the X-bar and R values for five samples. If the lower control limit for the X-bar chart is 8.34, what is the sample size?

See attachment for values.

© BrainMass Inc. brainmass.com July 17, 2018, 9:28 pm ad1c9bdddf


Solution Summary

Calculate the sample size is detailed on back-solving for the size-specific anti-biasing constant in an attached Excel file.