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# Risk & Relative Risk

 Risk & Relative Risk What is risk? What is absolute risk? What is relative risk? Writing a conclusion based on a relative risk calculation Theta (new & workbook) Ex 22.03 NuLake EAS p141-143 Risk Practice Practice of contextual rist & relative risk problems NuLake EAS p143-146 Percieved risk Investigating percieved risk & practicing concepts to date

Amount of revision before a class test

 A random sample of Nayland College Statistics Students Result 1 Hr or less More than 1 hr Total Pass 36 23 59 Fail 29 2 31 Total 65 25 70

The risk of failing for students with 1 hr or less study = 29/31 = 0.935

The risk of failing for students with more than 1 hr study = 2/31 = 0.065

The relative risk of failing for students with 1hr or less study, compared to those with more than 1 hr study = 0.935 / 0.065 = 14.4

So the risk of failing for students with 1hr or less study is about 14.4 times the risk of failing for students with more than 1 hr study. Who would have thought...