For the Questions That Follow, Identify Which Procedure You Would

For the questions that follow, identify which procedure you would use for each of the given scenarios.
-Which takes less time to travel to work -- car or train? We randomly select a sample of 55 business people and measure the time it takes for each of them to ride the train to work AND measure the time it takes for them to take a car to work.Then we compare their travel time to work for both types of commute.

A) Single sample t-test
B) Independent samples t-test
C) Paired samples t-test