For a process, sample size=5, process standard deviation=0.15, mean=1.5, and the std. deviation of mean is 0.0671. What will be the value of 3‚âà√¨‚àö√¢ upper control limit for the construction of control chart?$

For a process, sample size=5, process standard deviation=0.15, mean=1.

1.	For a process, sample size=5, process standard deviation=0.15, mean=1.5, and the std. deviation of mean is 0.0671. What will be the value of 3‚âà√¨‚àö√¢ upper control limit for the construction of control chart?$
A.	1.70
B.	1.29
C.	1.92
D.	0.170
Answer» B. 1.29