Answered step by step
Verified Expert Solution
Question
1 Approved Answer
Exercise 02.01 Algo (Summarizing Data for a Categorical Variable) Question 1 of 13 Hint(s) Check My Work The response to a question has three alternatives:
Exercise 02.01 Algo (Summarizing Data for a Categorical Variable) Question 1 of 13 Hint(s) Check My Work The response to a question has three alternatives: A, B, and C. A sample of 120 responses provides 60 A, 24 B, and 36 C. Show the frequenc and relative frequency distributions (use 2 decimal for the relative frequency column). Class Frequency Relative Frequency A 60 B 24 36 Total 120 Hint(s) Check My WorkThe 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 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 Chevrolet 5 4 3 16 Dodge 2 Ford 2 1 6 Total 6 8 6 4 1 25 a. Compute the row percentages. If required, round your answers to two decimal places. If your answer is "zero" enter "0". Average Speed Make 130-139.9 140-149.9 150-159.9 160-169.9 170-179.9 Total Buick A 0 0 0 Chevrolet 12 20 16 12 4 64 Dodge 0 0 0 0 Ford 4 24 b. What percentage of winners driving a Chevrolet won with an average speed of at least 150 miles per hour? 25 * % c. Compute the column percentages. If required, round your answers to two decimal places. If your answer is "zero" enter "0".Search this course Assignment X c. Compute the column percentages. If required, round your answers to two decimal places. If your answer is "zero" enter "0". Average Speed Make 130-139.9 140-149.9 150-159.9 160-169.9 170-179.9 Buick 4 0 0 Chevrolet 12 20 16 12 A Dodge 0 0 D Ford 8 o 4 X% 3 4 Total 24 32 24 16 4 d. What percentage of winning average speeds 160 -169.9 miles per hour were Chevrolets? 19 Hide Feedback Partially Correct Microsoft OneDrive Hint(s) Check My Work O- Icon Key
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started