Question 9 2 pts Following on from previous question: Walking in the airport- Do people walk faster in the airport when they are departing (getting on the plane} or when they are arriving [getting off the plane}? A researcher measured the walking speed of randomly chosen travelers in San Francisco International airport and also in Cleveland Hopkins International Airport. He recorded the walking speed of 35 people when departing. He also recorded the walking speed of 35 different people when arriving. His ndings are summarized in table below: .- n. Walking in the Airport Direction of Travels Deparhlre Arrival | Mean speed [feet per minute] 260 269 I Standard Deviation [feet per minute) 53 34 | Sample Size 35 35 J The variance in the walking_speed of travelers duringparture is? O 53 O 7.28 O 260 O 106 O 2809