Table 511
Factors for Calculating Three-Sigma Limits for The The $\bar{x}$

Multiple Choice

Table 5.11
Factors for Calculating Three-Sigma Limits for the $\bar{x}$
Chart and R-Chart

Source: 1950 ASTM Manual on Quality Control of Materials, copyright American Society for Testing Materials. Reprinted with permission.
-Construct a 3-sigma x-bar chart for the length in centimeters of a part from the following table. What is the upper control limit?

A) 0.522
B) 0.509
C) 0.496
D) 0.475