Question
A traffic safety company publishes reports about motorcycle fatalities and helmet use. In the first accompanying data table, the distribution shows the proportion of fatalities
A traffic safety company publishes reports about motorcycle fatalities and helmet use. In the first accompanying data table, the distribution shows the proportion of fatalities by location of injury for motorcycle accidents. The second data table shows the location of injury and fatalities for 2071 riders not wearing a helmet.
| Location of injury | Multiple locations | Head | Neck | Thorax | Abdomen/ Lumbar/ Spine | Full data set |
|---|---|---|---|---|---|---|
| Proportion | 0.570 | 0.310 | 0.030 | 0.060 | 0.030 |
| Location of injury and fatalities for 2071 riders not wearing a helmet | |||||
|---|---|---|---|---|---|
| Location of injury | Multiple locations | Head | Neck | Thorax | Abdomen/ Lumbar/ Spine |
| Number | 1027 | 873 | 39 | 86 | 46 |
Compute the expected counts for each fatal injury.
| Location of injury | Observed Count | Expected Count |
|---|---|---|
| Multiple Locations | 1027 | ____ |
| Head | 873 | ____ |
| Neck | 39 | ____ |
| Thorax | 86 | ____ |
| Abdomen/Lumbar/Spine | 46 | ____ |
What is the P-value of the test?
P-value= ___
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Trigonometry (Subscription)
Authors: Mark Dugopolski
5th Edition
0135207487, 9780135207482
