Answer:
An interval scale is one where there is order and the difference between two values is meaningful. Examples of interval variables include: temperature (Farenheit), temperature (Celcius), pH, SAT score (200-800), credit score (300-850).
Depends on the music. The most popular ones include timpani, triangle, cymbals, snare drum, bass drum
You forgot the rest of the question...
Answer: what is the question, please put the question ????
Answer:
They played the cornu !
I hope that help you out :)