Problem on control charts: np Chart
Discipline: Statistics
Type of Paper: Question-Answer
Academic Level: High school
Paper Format: APA
Pages: 1
Words: 275
Question
A
process that produces titanium forgings for automobile turbocharger wheels is
to be controlled through use of a fraction nonconforming chart. Initially, one
sample of size 150 is taken each day for 20 days, and the results shown here
are observed.
(a)
Establish a control chart to monitor future production.
(b) What is the smallest sample size that could be used for this process and
still give a positive lower control limit on the chart?
See attached file for full problem description.