Online courses: A sample of 257 students who were taking online courses were asked to describe their overall impression of online learning on a scale of 1
-7, with 7 representing the most favorable impression. The average score was 5.29, and the standard deviation was 0.86.
Part: 0/2
Part 1 of 2
(a) Construct a 90% confidence interval for the mean score. Round the answers to two decimal places.
A 90% confidence interval for the mean score is <<0-