Question

Will surveyed students at his school about whether they have ever gone snowboarding and whether they own a skateboard. He found that 35 of the 99 students who own a skateboard have snowboarded. Also, there were 13 students who have snowboarded but do not own a skateboard, and 147 students who have never gone snowboarding and do not own a skateboard.

Answer 1

Given a data on the relationship between the number of students that have ever gone snowboarding and the number of students that own a skateboard.

Given from the survey that 35 of the 99 students who own a skateboard have snowboarded and there were 13 students who have snowboarded but do not own a skateboard, and 147 students who have never gone snowboarding and do not own a skateboard.

We represent the above information in a two way frequency table.

Have Snowboarded Never Snawboarded Total
Skateboard 35 64 99

No Skateboard 13 147 160

Total 48 211 259