please question is selected from Business Statistics McGrawHill Primis Complete Business Statistics, Seventh Edition
1-13. The following data are numbers of passengers on flights of Delta Air Lines between San Francisco and Seattle over 33 days in April and early May. 128, 121, 134, 136, 136, 118, 123, 109, 120, 116, 125, 128, 121, 129, 130, 131, 127, 119, 114, 134, 110, 136, 134, 125, 128, 123, 128, 133, 132, 136, 134, 129, 132 1-36. Check the applicability of Chebyshev's theorem and the empirical rule for the data set in problem 1-13. 1-47. The following data are monthly steel production figures, in millions of tons. 7.0, 6.9, 8.2, 7.8, 7.7, 7.3, 6.8, 6.7, 8.2, 8.4, 7.0, 6.7, 7.5, 7.2, 7.9, 7.6, 6.7, 6.6, 6.3, 5.6, 7.8, 5.5, 6.2, 5.8, 5.8, 6.1, 6.0, 7.3, 7.3, 7.5, 7.2, 7.2, 7.4, 7.6 Draw a stem-and-leaf display of these data. 1-53. Refer to the following data on distances between seats in business class various airlines. Find u, o, o', draw a box plot, and find the mode and any outlie Characteristics of Business-Class Carriers Distance between Rows (In cm) Europe Air France 122 Alitalia 140 British Airways 127 Iberia 107 KLM/Northwest 120 Lufthansa 101 Sabena 122 SAS 132 SwissAir 120 Asia All Nippon Airw 127 Cathay Pacific 127 JAL 127 Korean Air 127 Malaysia Air 116 Singapore Airl 120 Thai Airways 128 Vietnam Airl 140 North America Air Canada 140 American Airl 127 Continental 140 Delta Airlines 130 TWA 157 United 1241-62. Fortune published a list of the 10 largest "green companies"-those that follow environmental policies. Their annual revenues, in $ billions, are given below. 17 Company Revenue $ Billion Honda $84.2 Continental Airlines 13.1 Suncor 13.6 Tesco 71.0 Alcan 23.6 PG&E 12.5 S.C. Johnson 7.0 Goldman Sachs 69.4 Swiss RE 24.0 Hewlett-packard 91.7 Find the mean, variance, and standard deviation of the annual revenues. 1-63. The following data are the number of tons shipped weekly across the Pacific by a shipping company. 398, 412, 560, 476, 544, 690, 587, 600, 613, 457, 504, 477, 530, 641, 359, 566, 452, 633, 474, 499, 580, 606, 344, 455, 505, 396, 347, 441, 390, 632, 400, 582 Assume these data represent an entire population. Find the population mean and the population standard deviation. 1-72. The following are a sample of Motorola's stock prices in March 2007.19 20, 20.5, 19.8, 19.9, 20.1, 20.2, 20.7, 20.6, 20.8, 20.2, 20.6, 20.2 Find the mean and the variance, plot the data, determine outliers, and construct a box plot. 1-73. Consult the corporate data shown below. Plot data; find u, or, of; and identify outliers. Morgan Stanley 91.36% Merrill Lynch 40.26 Travelers 39.42 Warner-Lambert 35.00 Microsoft 32.95 J.P. Morgan & Co. 29.62 Lehman Brothers 28.25 US Airways 26.71 Sun Microsystems 25.99 Marriott 25.81 Bankers Trust 25.53 General Mills 25.41 MCI 24.39 Allied Signal 24.23 ITT Industries 24.14
