Table 2.7 lists the 10 top-selling passenger cars in the United States in 1999. A simple calculation gives that the sample mean and sample standard deviation of

these data are

Thus Chebyshev’s inequality yields that at least 100(5/9)= 55.55 percent of the data lies in the interval

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TABLE 2.7 Top 10 Selling Cars for 1999 1999 1. Toyota Camry..... 448,162 2. Honda Accord.... 404,192 3. Ford Taurus.. 368,327 4. Honda Civic 318,308 5. Chevy Cavalier..... 272,122 6. Ford Escort..... 260,486 7. Toyota Corolla.... 249,128 8. Pontiac Grand Am 234,936 9. Chevy Malibu ..... 218,540 10. Saturn S series... 207,977