Question

Students from two age groups were surveyed to see how they travel to school. Here are the results:

Below age 15—Walk or bike: 87; Bus: 60; Car: 18
Age 15 and above—Walk or bike: 65; Bus: 50; Car: 80

Which of the following is a correct two-way relative frequency table for the data?
@perl

Answer 1

Which of the following is a correct two-way relative frequency table for the data?


Method of Travel to School
Walk/Bike Bus Car Row totals
Below age 15 87 60 18 165
Grades 11-12 65 50 80 195
Column totals 152 110 98 360

Method of Travel to School
Walk/Bike Bus Car Row totals
Below age 15 0.24 0.17 0.05 0.46
Grades 11-12 0.18 0.14 0.22 0.54
Column totals 0.42 0.31 0.27 1

Method of Travel to School
Walk/Bike Bus Car Row totals
Below age 15 0.52 0.36 0.11 1
Grades 11-12 0.33 0.26 0.41 1
Column totals 0.42 0.31 0.27 1

Method of Travel to School
Walk/Bike Bus Car Row totals
Below age 15 0.57 0.55 0.18 0.46
Grades 11-12 0.43 0.45 0.82 0.54
Column totals 1 1 1 1

Answer 2

A

Answer 3

A

Answer 4

Perl do you agree?

Answer 5

I agree with that knight

Answer 6

would you like to explain how you got it, that would be better :)

Answer 7

Nope it cant be thats a regular two way frequncy table it has to be B becauses that a relative two way table.

Answer 8

Any table with decimals is relative and regular whole numbers is just a two way frequqncy table.