A large consumer electronics retailer is planning to expand its
e-commerce operations. To this end, the management is considering
establishing a strategic partnership with courier company XYZ for
the delivery of customers’ orders.
Estimate the extend of the difference in delivery times between
ABC and XYZ at 95% confidence level.
Company ABC
Company XYZ
18,42280727
18,11722091
23,25971383
18,03236506
24,47267508
11,70181582
16,43125944
28,6349246
24,28843419
20,01970193
28,94755272
21,43805892
23,99634997
25,77991841
21,24041049
17,61727736
13,03788468
23,17141939
22,48407401
19,44828346
11,75437848
16,47678806
25,32910531
27,07743766
28,29293481
22,60188244...