A regional transit authority is concerned about the number of riders on one of its bus routes.

Question:

A regional transit authority is concerned about the number of riders on one of its bus routes. In setting up the route, the assumption is that the number of riders is the same on every day from Monday through Friday. Using the following data, test with α = .05 to determine whether the transit authority's assumption is correct.
Day Number of Riders
Monday .........13
Tuesday .........16
Wednesday .........28
Thursday .........17
Friday ...........16