Cartons of Plaster of Paris are supposed to weigh exactly 32 oz. Inspectors want to develop process
Fantastic news! We've Found the answer you've been seeking!
Question:
Cartons of Plaster of Paris are supposed to weigh exactly 32 oz. Inspectors want to develop process control charts. They take ten samples of six boxes and weigh them. Based on the following data, compute the lower and upper control limits and determine whether the process is in control.
Sample Mean Range
1 33.8 1.1
2 34.6 0.3
3 34.7 0.4
4 34.1 0.7
5 34.2 0.3
6 34.3 0.4
7 33.9 0.5
8 34.1 0.8
9 34.2 0.4
10 34.4 0.3
Related Book For
Financial and Managerial Accounting
ISBN: 978-0538480895
11th Edition
Authors: Jonathan E. Duchac, James M. Reeve, Carl S. Warren
Posted Date: