A new machine that fills tubes of toothpaste will be monitored using statistical process control. The following data were collected while the machine was closely monitored and under control. Each day a random sample of six tubes are weighed. Based on the data, the process mean is 6.752. What is the lower control limit for the x-bar chart rounded to three decimal places?
A) 6.816
B) 6.676
C) 6.688
D) 6.828

Question

A new machine that fills tubes of toothpaste will be monitored using statistical process control. The following data were collected while the machine was closely monitored and under control. Each day a random sample of six tubes are weighed. Based on the data, the process mean is 6.752.  What is the lower control limit for the x-bar chart rounded to three decimal places?
A) 6.816 
B) 6.676 
C) 6.688 
D) 6.828

Quizplus · Accepted Answer

The Answer of A new machine that fills tubes of toothpaste will be monitored using statistical process control. The following data were collected while the machine was closely monitored and under control. Each day a random sample of six tubes are weighed. Based on the data, the process mean is 6.752.  What is the lower control limit for the x-bar chart rounded to three decimal places?
A) 6.816 
B) 6.676 
C) 6.688 
D) 6.828

A New Machine That Fills Tubes of Toothpaste Will Be