A process for filling liquid laundry detergent bottles monitors the volume in each bottle.The operations manager has taken 5 samples with 4 observations (bottles)in each sample to determine if the variation in volume is reasonable.The measurement unit is fluid ounces.Calculate the center line for a process control chart that indicates whether the variation within samples is reasonable (in a state of control).
A) 1.0.
B) Between 0 and 1.0.
C) Less than 0.
D) There is not enough information to determine the correct response.

Question

A process for filling liquid laundry detergent bottles monitors the volume in each bottle.The operations manager has taken 5 samples with 4 observations (bottles)in each sample to determine if the variation in volume is reasonable.The measurement unit is fluid ounces.Calculate the center line for a process control chart that indicates whether the variation within samples is reasonable (in a state of control). 
A) >1.0. 
B) Between 0 and 1.0. 
C) Less than 0. 
D) There is not enough information to determine the correct response.

Quizplus · Accepted Answer

CL = Rbar. Calculate the range of each sample (.4, .2, .2, .2, 1.2) and find the average (.44).

A Process for Filling Liquid Laundry Detergent Bottles Monitors the Volume