A study was conducted of people who had bicycle crashes and whether or not they suffered facial injuries. Based on a sample of 531 individuals these results we Facial Injuries No Facial Injuries Helmet Worn x² = 30 83 No Helmet Worn 182 236 The correct approach is a Chi-square test for categorical data. Calculate the Chi-square statistic and enter it below. - Σ (0-E)² E

Q: Use a= .05 and one tailed test  t= -5.00, df= 5. reject, fail to reject

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