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An R Chart Is to Be Developed for Use in Quality

Question 94

Multiple Choice

An R Chart is to be developed for use in quality control.The average of the ranges is calculated to be 0.60.This was based on several samples of size 7 each.What would the upper control limit be?


A) 1.514
B) 1.924
C) 4.200
D) 0.600
E) 1.154

Correct Answer:

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