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a) Form a 95% confidence interval for the mean PAI valueb) Form a 95% confidence interval for the succeeding PAI value The Performance Anxiety Inventory

a) Form a 95% confidence interval for the mean PAI valueb) Form a 95% confidence interval for the succeeding PAI value

The Performance Anxiety Inventory (PAI) was used to measure music performance anxiety on a scale from 20 to 80 points. The table below gives PAI values for participants in eight different studies. 54 42 51 39 41 43 55 40

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