In a sample of 8 high school students, they spent an average of 28.8
In a sample of 8 high school students, they spent an average of 28.8 hours each week doing sports with a sample standard deviation of 3.2 hours. Find the 95% confidence interval, assuming the times are normally distributed. (26.12, 31.48) (22.47, 35.21) (25.62, 32.48) (24.10, 34.50) In a sample of 15 stuffed animals, you find […]