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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 locati of injury for motorcycle accidents. The second data table shows the location of injury and fatalities for 2061 riders not wearing a helmet. Complete parts (a) and (b) below. Click the icon to view the tables. Click the icon to view the chi-square table of critical values. (a) Does the distribution of fatal injuries for riders not wearing a helmet follow the distribution for all riders? Use a = 0.10 level of significance. What are the null and alternative hypotheses? Ho The distribution of fatal injuries for riders not wearing a helmet follows the same distribution for all other riders. H₁: The distribution of fatal injuries for riders not wearing a helmet does not follow the same distribution for all other riders. Compute the expected counts for each fatal injury Observed Count Location of injury Multiple Locations 1029 854 38 Thorax 90 Abdomen/Lumbar/Spine 50 (Round to two decimal places as needed.) an example Head Neck Get more help - Search Expected Count Distribution of fatalities by location of injury Proportion of fatalities by location of injury for motorcycle accidents Multiple Neck Thorax 0.060 Head locations 0.570 0.310 0.030 Location of injury Proportion Location of injury and fatalities for 2061 riders not wearing a helmet Multiple locations Head Neck Thorax 90 1029 854 38 Location of injury Number D Abdomen/ Lumbar/ Spi 0.030 Abdomen/ Lumbar/ Spi 50 1:14 PM 11/28/2022

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 locati of injury for motorcycle accidents. The second data table shows the location of injury and fatalities for 2061 riders not wearing a helmet. Complete parts (a) and (b) below. Click the icon to view the tables. Click the icon to view the chi-square table of critical values. (a) Does the distribution of fatal injuries for riders not wearing a helmet follow the distribution for all riders? Use a = 0.10 level of significance. What are the null and alternative hypotheses? Ho The distribution of fatal injuries for riders not wearing a helmet follows the same distribution for all other riders. H₁: The distribution of fatal injuries for riders not wearing a helmet does not follow the same distribution for all other riders. Compute the expected counts for each fatal injury Observed Count Location of injury Multiple Locations 1029 854 38 Thorax 90 Abdomen/Lumbar/Spine 50 (Round to two decimal places as needed.) an example Head Neck Get more help - Search Expected Count Distribution of fatalities by location of injury Proportion of fatalities by location of injury for motorcycle accidents Multiple Neck Thorax 0.060 Head locations 0.570 0.310 0.030 Location of injury Proportion Location of injury and fatalities for 2061 riders not wearing a helmet Multiple locations Head Neck Thorax 90 1029 854 38 Location of injury Number D Abdomen/ Lumbar/ Spi 0.030 Abdomen/ Lumbar/ Spi 50 1:14 PM 11/28/2022

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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 locati of injury for motorcycle accidents. The second data table shows the location of injury and fatalities for 2061 riders not wearing a helmet. Complete parts (a) and (b) below. Click the icon to view the tables. Click the icon to view the chi-square table of critical values. (a) Does the distribution of fatal injuries for riders not wearing a helmet follow the distribution for all riders? Use a = 0.10 level of significance. What are the null and alternative hypotheses? Ho The distribution of fatal injuries for riders not wearing a helmet follows the same distribution for all other riders. H₁: The distribution of fatal injuries for riders not wearing a helmet does not follow the same distribution for all other riders. Compute the expected counts for each fatal injury Observed Count Location of injury Multiple Locations 1029 854 38 Thorax 90 Abdomen/Lumbar/Spine 50 (Round to two decimal places as needed.) an example Head Neck Get more help - Search Expected Count Distribution of fatalities by location of injury Proportion of fatalities by location of injury for motorcycle accidents Multiple Head Neck Thorax 0.060 locations 0.570 0.310 0.030 Location of injury Proportion Location of injury and fatalities for 2061 riders not wearing a helmet Multiple locations Head Neck Thorax 90 1029 854 38 Location of injury Number 2 Abdomen/ Lumbar/ Spi 0.030 Abdomen/ Lumbar/ Spi 50 1:14 PM 11/28/2022
Transcribed Image Text: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 locati of injury for motorcycle accidents. The second data table shows the location of injury and fatalities for 2061 riders not wearing a helmet. Complete parts (a) and (b) below. Click the icon to view the tables. Click the icon to view the chi-square table of critical values. (a) Does the distribution of fatal injuries for riders not wearing a helmet follow the distribution for all riders? Use a = 0.10 level of significance. What are the null and alternative hypotheses? Ho The distribution of fatal injuries for riders not wearing a helmet follows the same distribution for all other riders. H₁: The distribution of fatal injuries for riders not wearing a helmet does not follow the same distribution for all other riders. Compute the expected counts for each fatal injury Observed Count Location of injury Multiple Locations 1029 854 38 Thorax 90 Abdomen/Lumbar/Spine 50 (Round to two decimal places as needed.) an example Head Neck Get more help - Search Expected Count Distribution of fatalities by location of injury Proportion of fatalities by location of injury for motorcycle accidents Multiple Head Neck Thorax 0.060 locations 0.570 0.310 0.030 Location of injury Proportion Location of injury and fatalities for 2061 riders not wearing a helmet Multiple locations Head Neck Thorax 90 1029 854 38 Location of injury Number 2 Abdomen/ Lumbar/ Spi 0.030 Abdomen/ Lumbar/ Spi 50 1:14 PM 11/28/2022
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