A machine is supposed to fill boxes to a weight of 50 pounds. Every 30 minutes a sample of four boxes is tested; the results are given below.
What would be the value of the centerline that would be used in creating an R chart?
A) 11.000 pounds
B) 12.8000 pounds
C) 50 pounds
D) 49.567 pounds

Question

A machine is supposed to fill boxes to a weight of 50 pounds. Every 30 minutes a sample of four boxes is tested; the results are given below.
What would be the value of the centerline that would be used in creating an R chart? 
A) 11.000 pounds 
B) 12.8000 pounds 
C) 50 pounds 
D) 49.567 pounds

Quizplus · Accepted Answer

The Answer of A machine is supposed to fill boxes to a weight of 50 pounds. Every 30 minutes a sample of four boxes is tested; the results are given below.
What would be the value of the centerline that would be used in creating an R chart? 
A) 11.000 pounds 
B) 12.8000 pounds 
C) 50 pounds 
D) 49.567 pounds

A Machine Is Supposed to Fill Boxes to a Weight