For a six‚Äö√Ñ√∂‚àö√ë‚àö¬®sigma spread in the distribution of the product quality characteristic, the upper natural control limit will fall at _____________$

‚âà√≠¬¨‚à´ + 4‚âà√¨‚àö√¢

‚âà√≠¬¨‚à´ + 2‚âà√¨‚àö√¢

‚âà√≠¬¨‚à´ + 3‚âà√¨‚àö√¢

‚âà√≠¬¨‚à´ + 6‚âà√¨‚àö√¢

For a six‚Äö√Ñ√∂‚àö√ë‚àö¬®sigma spread in the

1.	For a six‚Äö√Ñ√∂‚àö√ë‚àö¬®sigma spread in the distribution of the product quality characteristic, the upper natural control limit will fall at _____________$
A.	‚âà√≠¬¨‚à´ + 2‚âà√¨‚àö√¢
B.	‚âà√≠¬¨‚à´ + 3‚âà√¨‚àö√¢
C.	‚âà√≠¬¨‚à´ + 4‚âà√¨‚àö√¢
D.	‚âà√≠¬¨‚à´ + 6‚âà√¨‚àö√¢
Answer» C. ‚âà√≠¬¨‚à´ + 4‚âà√¨‚àö√¢