Question

Can Someone Help...

Answer 1

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?




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