Consider the following to answer the question(s) below:
A company that fills 12 ounce soft drink bottles wishes to monitor the quality of their process. To do this, the company has taken a series of samples of 4 bottles. The overall average fill is 12.03 ounces. The average range for the samples has been 0.06 ounces.
-Based on this information, what is the value of the upper control limit for the R chart?
A) 0.137
B) 2.282
C) 0
D) 0.026
E) 0.88

Question

Quizplus · Accepted Answer

The upper control limit (UCL) for the range (R) chart can be calculated using the formula UCL = D4 * R-bar, where D4 is a factor based on the sample size (for a sample size of 4, D4 = 2.282) and R-bar is the average range (0.06 ounces in this case). Thus, UCL = 2.282 * 0.06 = 0.137 ounces.

Consider the Following to Answer the Question(s) Below