Mathematics, 05.12.2019 04:31, izzy890

Amusic teacher had noticed that some students went to pieces during exams. he wanted to test whether this performance anxiety was different for people playing different instruments. he took groups of guitarists, drummers, and pianists and measured their anxiety during the different exam they took. he also noted the difficulty level of the exam they were taking. he wanted to see whether the type of instrument played affected performance anxiety when controlling for the grade of the exam. what analysis should he use?

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Amusic teacher had noticed that some students went to pieces during exams. he wanted to test whether...