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y6 at 11 59 PM MO The results of a search to find the least expensive round-trip

ID: 3066041 • Letter: Y

Question

y6 at 11 59 PM MO The results of a search to find the least expensive round-trip from 14 major U.S. cties a o following table. The departure date was June 20, 2012 and the return date was June 27, 2012. Click on the datafile logo tore DATA file Round-Trip Cost (S) Departure City New York Los Angeles Atlanta Salt Lake City 12. 13. 14. 1s. 16. 340.10 321.60 291.60 339.60 359.60 384.60 309.60 570.10 354.60 465.60 21960 311.60 297.60 471.60 618.40 513.60 523.20 381.60 159.60 267.60 Washington, DC Miami San Francisco Las Vegas 415.60 293.60 249.60 539.60 455.60 359.60 333.90 458.60 a. Compute the mean price for a round-trip flight into Atianta and the mean price for a round-trip flight into Sait Lake City. Round answers to two decimal places s 340.10 Salt Lake City 570.10 Is Atianta less expensive to fly into than Salt Lake City? So 5 6 8 9 0

Explanation / Answer

Result:

Descriptive statistics

Atlanta

Salt lake

sample variance ( two decimal places)

5,517.41

18,933.32

Descriptive statistics

Atlanta

Salt lake

count

14

14

mean

356.729

400.950

sample standard deviation

74.279

137.598

sample variance

5,517.408

18,933.318

minimum

249.6

159.6

maximum

539.6

618.4

range

290

458.8

Descriptive statistics

Atlanta

Salt lake

sample variance ( two decimal places)

5,517.41

18,933.32