1.

WHICH_CHART_SHOULD_BE_INTERPRETED_FIRST_WHEN_BOTH,_X_CHART,AND_R_CHART_ARE_INDICATING_A_NON-RANDOM_BEHAVIOR??$

A. <span style="text-decoration:overline;">x</span> chart
B. R chart
C. X and R chart
D. Trial Limits
Answer» C. X and R chart


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