Homework Help: statistics

Posted by Lisa on Saturday, December 8, 2012 at 9:35pm.

Compare the 95%(6.214,7.686) and 99% 95.944,7.956)confidence intervals for the hours of sleep a student gets. Explain the difference between these intervals and why this difference occurs.

statistics - drwls, Saturday, December 8, 2012 at 11:26pm
Instead of 95.944,7.956), did you intend to type
(5.944,7.956)?
It makes more sense.

Supposedly, 99% of the students sleep more than 5.944 but less than 7.956 hours. That is what is meant by a 99% confidence interval.

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