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xMindTap-Cengage Leaming x ngcengage.comistat marks AT Youtube To MP3-A.TV Shows 1417&nbNodeld; 2198419038e SBN 9781337115377818parentid 219842014 Andre KArana gnment 159 PM EOT The Daytona 500 is a 500-mile automoble race held annually at the Daytona Intemational Speedway in Daytona Beach, Flonda. The following crosstabulation shows the automobile make by average speed of the 25 winners from 1988 to 2012 (The 2013 World Almanac). verage Speed in Miles per Hour Chevrolet . Compute the row percentages. If required, round your answers to two decimal places. If your answer is zere enter Average Miles per Hour "0 130-139.9 140-1 150-159.9 160-19S 70-179.9 Tetal b. won with an average speed of at least 150 mles per hour? what certage of winnen driving·Oeroee an Compute the colmn percertages. reguree, round your answers to two deorna places. Ir c. Average Miles per Hour 40-249 8 9 3

Explanation / Answer

(a) first we add the all the column for finding row%

total=25

each row is divided by total 25 and multiplied by 100, we get the row %

for Buck , row %=100*1/25=4

for Chevrolet, row %=100*16/25=64

and so on

(b) there are 16 - 8 = 8 cases for atleast 150 miles per hour

so its %=8/16*100 = 50%

(c)

first we add the all the row for finding colum%

total=25

for 130-139.9 column %=100*6/25=24

for 140-149.9 column %=100*8/25=32

and so on

(d)

there are 3 cases for atleast 160-169.9 miles per hour ( below in table bold and under line)

so its %=100*3/25=12

Make 130-139.9 140-149.9 150-159.9 160-169.9 170-179.9 Total row% Buck 1 1 4 Chevrolet 3 5 4 3 1 16 64 Dodge 2 2 8 Ford 2 1 2 1 6 24 total 6 8 6 4 1 25 100 %column 24 32 24 16 4 100

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