Question 1. A group of students were classified in terms of personality (introvert or extrovert) and in terms of music preferences (Reflective and Complex, Upbeat and Conventional, Energetic and Rhythmic and Intense and Rebellious) with the purpose of seeing whether there is an association (relationship) between personality and music preference. Data was collected from 400 students and presented in the 2 (rows) x 4 (cols) contingency table below:
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