Question: 9. Confidence interval for 20 students (Points: 10) it you wish to estimate with 95% confidence the average number of miles that students living off

9. Confidence interval for 20 students (Points: 10) it you wish

9. Confidence interval for 20 students (Points: 10) it you wish to estimate with 95% confidence the average number of miles that students living off campus commute to classes every day, a random sample of 20 students produced a mean equal to 5.2 miles and a standard deviation of 3.05 miles. Then, the appropriate critical value is: 1. 2.093 2. 2.086 3. 1.7291 4. 1.96

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