A survey of 15 large cities noted the average weekly commute times, in hours, of the residents of each city. The results are recorded in the table below. Weekly commute time (h) 5.5 3.0 5.6 3.0 2.6 2.4 4.8 4.9 3.5 5.4 3.7 4.9 4.7 3.7 5.4 Find the mean and sample standard deviation of these data. Round to the nearest hundredth. mean sample standard deviationA survey of 10 fast-food restaurants noted the number of calories in a mid-sized hamburger. The results are given in the table below. Calories in a mid-sized hamburger 515 506 501 499 495 50? 459 4?8 463 515 Find the mean and sample standard deviation of these data. Round to the nearest hundredth. mean E sample standard deviaon