For Which of the Following Should We Use an R-Chart

question 47

Multiple Choice

For 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"

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Definitions:

Compass Needle

A magnetized pointer free to align itself with Earth's magnetic field, used in compasses for navigation.

Earth

The third planet from the Sun, our home planet, or in electrical terms, the reference point in an electrical circuit for the return path of currents or a direct physical connection to the ground.

Ampere-Turns

A basic unit for measurement of magnetism. The product of number of turns of wire times current flow.

Electromagnet

A type of magnet in which the magnetic field is produced by an electric current, typically wrapping a wire around a ferromagnetic core, which can be turned on and off with the current.