Question

Business Traveler Rating of United Airlines
6	5
4	5
6	4
8	4
7	4
7	8
6	4
3	5
3	6
8	2
10	5
4	9
8	9
7	8
8	4
7	8
5	9
9	9
5	5
8	9
4	7
3	8
8	3
	10
	8
	9
	6

United Airlines has surveyed 50 random business travelers. The business travelers were asked to rate their overall satisfaction with their experience with United Airlines, where 10 was the highest rating. Using the tools in Excel, develop a 95% confidence interval estimate (mean, low, high) of the population mean rating for United Airlines.

 

Answer 1

last image will be at number 3