A traffic safety company publishes reports about motorcycle fatalities and helme

Question

A traffic safety company publishes reports about motorcycle fatalities and helmet use. The distribution shows the proportion of fatalities by location of injury for motorcycle accidents. The accompanying data tables show the location of injury and fatalities for 2124 riders not wearing a helmet. Complete parts (a) and (b). 6 Click the icon to view the data tables. (a) Does the distribution of fatal injuries for riders not wearing a helmet follow the distribution for all riders? Use the level of significance a 0.10. No Yes (b) Compare observed and expected counts for each category. What does this information tell you? A. Wearing a helmet does not increase anybody's safety. B. Wearing a helmet really increases the safety of a rider. C. Motorcycle fatalities from head injuries occur more frequently for riders not wearing a helmet.

Explanation / Answer

(a) Yes

(b)C

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