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Computer network manager wants to test the reliability of some new and expensive fiber-optic cables that the computer department just received. The department received 4 boxes, each containing 30 cables. The manager selects one cable at random from each of the four boxes. This sampling method is BEST described as:

A) Simple random sampling 
B) Cluster sampling 
C) Stratified random sampling 
D) Convenience sampling

 

 

Applied Statistics, Statistics

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