Asked by Lisa

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.

Answers

Answered by drwls
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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