Fifteen samples of size 10 are taken from a stable process. The average of the sample means is 32.8, and the average range of the samples is 1.5. Use the information contained in the chart below (Table 13s.1) :

-The LCL for the three sigma X bar chart for the process is approximately (for a sample size of 10, A₂ = 0.308) :

Question

Fifteen samples of size 10 are taken from a stable process. The average of the sample means is 32.8, and the average range of the samples is 1.5. Use the information contained in the chart below (Table 13s.1) :

-The LCL for the three sigma X bar chart for the process is approximately (for a sample size of 10, A₂ = 0.308) :

Quizplus · Accepted Answer

The Answer of Fifteen samples of size 10 are taken from a stable process. The average of the sample means is 32.8, and the average range of the samples is 1.5. Use the information contained in the chart below (Table 13s.1): -The LCL for the three sigma X bar chart for the process is approximately (for a sample size of 10, A₂ = 0.308): A)32.34 B)33.26 C)32.80 D)32.28 E)32.64

Fifteen Samples of Size 10 Are Taken from a Stable