American Airlines	Apple	ATT	Compaq	DELL	IBM
Minimum	34.92	17.87	54.87	39.07	12.47	21.20
Maximum	62.35	32.01	79.81	49.05	20.78	34.92
Average	46.72	25.88	67.89	44.64	17.60	28.93
Range	27.43	14.14	24.94	9.98	8.31	13.72