Question

A ast-food restaurant se s packages of French es. They count the number of individual fresin each package. The process has been in control with mean μ 9 packages is taken for quality control. What are the control limits for an x chart? 44 and standard de ation ơ 4 ach hour a sample of sze 0 40 to 48 45 to 49 0 41 to 47

Answer 1

To find control limits of xbar chart using mean, and standard deviation.

Solution Given that roe anD:44 ard Standard devia on -σ24 , Sample S1ze르 ns g -, Now aue h the fonmula for control limits be 9 ー First of-tion is comcech ( 40 to 48 ) .