Question

Companies in the U.S. car rental market vary greatly in terms of the size of the fleet, the number of locations, and annual revenue. In 2011, Hertz had 320,000 cars in service and annual revenue of approximately $4.2 billion. Suppose the following data shovw the number of cars in service (1,000s) and the annual revenue (s millions) for six smaller car rental companies. Cars Revenue Company ($ millions) (1,000s) Company A 11.5 116 Company B 10.0 133 Company C 9.0 98 Company D 5.5 35 4.2 42 Company E Company F 3.3 32

Answer 1

11.5 10 9 5.5 4.2 (x-2) 18.0625 7.5625 3.0625 3.0625 9.3025 15.6025 56.6550 SSX 1600.00 3249.00 484.00 1681.00 1156.00 1936.00 10106.00 (x-x)(y-7) 170.0000 156.7500 38.5000 71.7500 103.7000 173.8000 714.5000 SXY 3.3 42 32 456 76.00 Total Mean 43.5 7.250 SSY n= sample size: here 3.73 76.0000 7.2500 'EIX-X)*- '(X-214-91- S/Sxx- リーマー Sky 56.655 714.500 12.6114 - 15.4328 slopes intercept B. =

c)

y^ =-15.433+12.611*x

d)

will increase by 12611

e)

predicted val=-15.433+19*12.611=

224 million