do 0186d674d707a6adf4 810001 wwwmathodcomStudentPlayerTestas

0186d674d707a6adf4 810001 www.mathod.com/Student/PlayerTest.asp 870659&icenterwin; yes&fromPlayerCheck-yes; christine meurer 7/24/15 9:23 iz 19 Chp 13 Overviev This Question 1 pt This Tests Spts Tane Remaining. 00a5:1 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. A hypothesis test is to be per formed to determine if the mean walking speed is different between departing and amiving passengers at an airport. Which of the follorwing is the correct nell hypothcsis? Choose the correct answer below OA H There is no difference in the mean walking speed theough an airport between departing and arriving passengers O8 Ho Walking speeds through an arport of departing passengers are the same as arriving passengers OC Ho There is a difference in the mean walng speed through an arport between departing and arriving passengers OD Ho The average walking speed through an arport for departing passengers observed in dhis stady is the same as the average walking speed for arriving passengers in this studty Subrntted five assignments in a row on time elt in t this class Earned Mastery Level Tuesday, Hay 26

Solution

Hypothesis always states about the population parameters. And null hypothesis will be walking speed through an airport of departing pessangers is same as arriving pessangers. So option B is correct.