Business Statistics: A First Course (7th Edition)
7th Edition
ISBN: 9780321979018
Author: David M. Levine, Kathryn A. Szabat, David F. Stephan
Publisher: PEARSON
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The data represent the cost, return on investment, and graduation rate for a random sample of fifty colleges or universities in the United States. The data is from payscale.com. The variable "Cost" represents the four-year cost including tuition, supplies, room and board of attending the school. The variable "Annual ROI" represents the return on investment for graduates of the school. It essentially represents how much you would earn on the
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Click here to view the school data.
Click here to view the table of critical values of the correlation coefficient.
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MarkLines is an online portal (www.marklines.com) that reports automotive industry data. The table below shows the number of cars sold in the United States from January to November in 2017 and 2018. The top 22 manufacturers, plus others, are listed here. Sales data often is reported in this way to compare current sales to last year’s sales.
Car Sales
Manufacturer
Jan.-Nov.2017
Jan.-Nov.2018
GM (Est.)
2,691,493
2,654,568
Ford
2,334,290
2,265,590
Toyota
2,211,533
2,205,762
Fiat Chrysler
1,887,430
2,038,684
Honda
1,492,112
1,449,713
Nissan
1,455,238
1,345,157
Hyundai
621,961
612,225
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584,614
615,594
Kia
546,629
542,245
Mercedes (includes Sprinter)
332,990
318,012
BMW
271,432
276,657
VW
309,395
322,017
Mazda
262,577
274,455
Audi
199,534
200,558
Tesla (Est.)
40,320
106,050
Land Rover
66,759
81,526
Volvo
71828
89437
Mitsubishi
95,185
109,088
Porsche
51,507
53,116
MINI
42,494
40,887
Jaguar
36,180
27,021
Others
18,901
17,251
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Describe about the three positive relationships of Scatterplots?
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