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Stringed Instruments
Musical instruments that produce sound by vibrating strings, played either by plucking, striking, or using a bow.
Wind Instruments
Musical instruments that produce sound by the vibration of air in a tube; examples include flutes, clarinets, and trumpets.
Nearly Normal Condition
A condition in statistics where a sample distribution approximates a normal distribution, often requisite for certain types of inference.
Representative Sample
A subset of a population that accurately reflects the members of the entire population.
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