Asked by Sherry

Twenty randomly selected students took the statistics final. If the sample mean was 88 and the ó =5.2, construct a 95% confidence interval for the mean score of the students.

Answers

Answered by MathGuru
Formula:

CI95 = mean ± 1.96(sd/√n)

With your data:

CI95 = 88 ± 1.96(5.2/√20)

Calculate for the interval.
There are no AI answers yet. The ability to request AI answers is coming soon!

Related Questions