Question: What is null hypothesis To evaluate whether participating in a public speaking workshop reduces students' anxiety about speaking in front of an audience, a Communication

What is null hypothesis

To evaluate whether participating in a public speaking workshop reduces students' anxiety about speaking in front of an audience, a Communication Studies instructor conducted a study. Students' anxiety levels were measured at the beginning and the end of a 6-week workshop. Anxiety levels were recorded on a scale from 0-10, where 0 represents no anxiety and 10 represents extreme anxiety. Data were collected from 16 randomly chosen students from a total of 180 workshop participants

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