statistics
posted by Anonymous .
Variable N Mean StDev SE Mean 95% CI
Sleep 20 6.950 1.572 0.352 (6.214, 7.686)
Give me the interpre the 95% confidence interval fir the hours of sleep a student gets.

If this is for one student:
95% = mean ± 1.96 SD = 6.95 ± 1.96 (1.572) = ?
If it is for the mean of students:
95% = mean ± 1.96 SEm = 6.95 ± 1.96 (.352) = ?