The center line of the s chart with a standard value for given, deno

1.	The center line of the s chart with a standard value for given, denotes the value of _____
A.	B<sub>6</sub>
B.	c<sub>4</sub>
C.	B<sub>5</sub>
D.	c<sub>5</sub>
Answer» C. B<sub>5</sub>

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