We need to find the confidence interval for the SLEEP variable. The count is 35 and the mean is 7.2. ( I came up with a std deviation of

We need to find the confidence interval for the SLEEP variable. The count is 35 and the mean is 7.2. ( I came up with a std deviation of 1.410047976), I think that's correct?)

1.     Give and interpret the 95% confidence interval for the hours of sleep a student gets.