Do people walk faster in an airport when they are departing (getting on a plane) or after they have arrived (getting off a plane)? An interested passenger watched a random sample of people departing and a random sample of people arriving and measured the walking speed (in feet per minute) of each. Which of the following tests is the most appropriate to use to determine if the mean walking speed is different between departing and arriving passengers at an airport (assuming all conditions for inference are satisfied)?

Group of answer choices

chi-square test Goodness Of Fit

two-sample z-test for proportions

paired t-test

two-sample t-test

one-sample t-test