The Daytona 500 is a 500-mile automobile race held annually at the Daytona International Speedway in Daytona Beach, Florida. The following crosstabulation shows the automobile make by average speed of the 25 winners from 1988 to 2012 (The 2013 World Almanac). Average Speed in Miles per Hour Make 130–139.9 140–149.9 150–159.9 160–169.9 170–179.9 Total Buick 1 1 Chevrolet 3 5 4 3 1 16 Dodge 2 2 Ford 2 1 2 1 6 Total 6 8 6 4 1 25 Answer questions 1 - 2. 1.Compute the row percentages. 2.Compute the column percentages.

The Daytona 500 is a 500-mile automobile race held annually at the Daytona International Speedway in Daytona Beach, Florida. The following crosstabulation shows the automobile make by average speed of the 25 winners from 1988 to 2012 (The 2013 World Almanac). Average Speed in Miles per Hour Make 130–139.9 140–149.9 150–159.9 160–169.9 170–179.9 Total Buick 1 1 Chevrolet 3 5 4 3 1 16 Dodge 2 2 Ford 2 1 2 1 6 Total 6 8 6 4 1 25 Answer questions 1 - 2. 1.Compute the row percentages. 2.Compute the column percentages.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 3CST

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Average Speed in Miles per Hour
Buick	1					1
Chevrolet	3	5	4	3	1	16
Dodge		2				2
Ford	2	1	2	1		6
Total	6	8	6	4	1	25

Average Speed in Miles per Hour
Make	130–139.9	140–149.9	150–159.9	160–169.9	170–179.9	Total
Buick	$\frac{1}{1} \times 100 = 100 %$					100 %
Chevrolet	$\frac{3}{16} \times 100 = 18.75 %$	$\frac{5}{16} \times 100 = 31.25 %$	$\frac{4}{16} \times 100 = 25 %$	$\frac{3}{16} \times 100 = 18.75 %$	$\frac{1}{16} \times 100 = 6.25 %$	100 %
Dodge		$\frac{2}{2} \times 100 = 100 %$				100 %
Ford	$\frac{2}{6} \times 100 = 33.33 %$	$\frac{1}{6} \times 100 = 16.67 %$	$\frac{2}{6} \times 100 = 33.33 %$	$\frac{1}{6} \times 100 = 16.67 %$		100 %

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