Question

Which of the following should we use an "R" chart to monitor process quality?
A. Weighing trucks at a highway inspection station to determine if they are overloaded
B. Deciding whether an airliner has sufficient fuel for its trip
C. Student grades measured from 1 to 100
D. Determining whether vehicles from a motor pool will run
E. Determining the accuracy of a forecast of "snow"

Answer

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