Bills Carolina Panthers Chicago Bears Cleveland Browns Dallas Cowboys Denver Broncos a. What is the mean ticket price? 74.92 b. The previous year, the mean ticket price was $72.20. What was the percentage increase in the mean ticket price for the one-year period? c. Compute the median ticket price. 65 d. Compute the first and third quartiles. e. Compute the standard deviation. f. What is the z-score for the Dallas Cowboys ticket price? Should this price be considered an outlier? Explain? 51 Indianapolis Colts 63 New Orleans Saints New York Jets 88 2. A department of transportation’s study on driving speed and miles per gallon for midsize automobiles resulted in the following data: Dublin Geneva Hong Kong 55 Pittsburgh Steelers 160 Seattle Seahawks 77 Tennessee Titans High 68 70 65 96 57 70 80 Low 50 49 44 64 46 45 73 Speed (Miles per Hour) Miles per Gallon 30 50 40 28 25 25 Compute and interpret the sample correlation coefficient. 3. The daily high and low temperatures for 14 cities around the world are shown (The Weather Channel, April 22, 2009). City Athens Beijing Berlin Cairo 55 30 23 30 City London Moscow Paris Rio de Janeiro Rome Tokyo Toronto 25 50 25 60 21 35 26 32 High 67 44 69 76 69 70 44 Low 45 83 62 29 44 69 51 58 39 87 67 61 61 55 25