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. Which two-way table correctly displays these data?
The skateboard-owning row has 99 students total, and 35 have snowboarded, so 99 − 35 = 64 have never snowboarded. The no-skateboard row contains 13 who have snowboarded and 147 who have never snowboarded, for a total of 160. Adding the columns gives 35 + 13 = 48 who have snowboarded and 64 + 147 = 211 who have never snowboarded, for 259 students overall. These values match the table in choice A.
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