The author surveyed students in one of his statistics classes about whether they smoke and whether they run red traffic lights (see Table 29). The survey was anonymous, so the students€™ names are fictional.

Summarize the data by completing Table 30.

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Table 29 Smoking versus Running Red Lights Run Run Student Smoke? Lights? Student Smoke? Lights? 1. Chris 2. Ada 3. Spencer Ye No 8. Kristen Yes Yes 4. Stephen No 5. Alan No No Yes7. JosephNo No No 6. Victoria No No Yes 9. Rachel No No 10. Sue No No No No Table 30 Smoking versus Running Red Lights Run Lights Don't Run Lights Total Smoke Don't Smoke Total