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What are the null and alternative hypotheses? OA. Ho: Site of injury and weapon are homogeneous. HA: Site of injury and weapon are not homogeneous. B. Ho: Site of injury and weapon are independent. HA: Site of injury and weapon are not independent. OC. Ho: Site of injury and weapon are not homogeneous. HA: Site of injury and weapon are homogeneous. OD. Ho: Site of injury and weapon are not independent. HA: Site of injury and weapon are independent. Find the expected values under the null hypothesis. Weapon Body 5.45 4.20 Limb 50.35 (Round to two decimal places as needed.) Arrow Ground/Rock b) Compute the x statistic. Injury Site Head/Neck (Round to two decimal places as needed.). 4.73 3.64 43.64 Limb 2.82 2.17 26.01 Table of Injuries Weapon Arrow Ground/Rock Sword Total Body 2 1 57 60 Done Injury Site Head/Neck 7 3 42 52 Limb 4 6 21 31 Total 13 10 120 143 I

What are the null and alternative hypotheses? OA. Ho: Site of injury and weapon are homogeneous. HA: Site of injury and weapon are not homogeneous. B. Ho: Site of injury and weapon are independent. HA: Site of injury and weapon are not independent. OC. Ho: Site of injury and weapon are not homogeneous. HA: Site of injury and weapon are homogeneous. OD. Ho: Site of injury and weapon are not independent. HA: Site of injury and weapon are independent. Find the expected values under the null hypothesis. Weapon Body 5.45 4.20 Limb 50.35 (Round to two decimal places as needed.) Arrow Ground/Rock b) Compute the x statistic. Injury Site Head/Neck (Round to two decimal places as needed.). 4.73 3.64 43.64 Limb 2.82 2.17 26.01 Table of Injuries Weapon Arrow Ground/Rock Sword Total Body 2 1 57 60 Done Injury Site Head/Neck 7 3 42 52 Limb 4 6 21 31 Total 13 10 120 143 I

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.CR: Chapter 12 Review
Problem 14CR
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A certain story, describing several weeks of a long war, reports many details of injuries and their causes. The accompanying table summarizes those reports for the 143 injuries for which the story provides that information. Is there an association? Complete parts a through e below. Click the icon to view the table. a) Under the null hypothesis, what are the expected values? What are the null and alternative hypotheses? OA. Ho: Site of injury and weapon are homogeneous. HA: Site of injury and weapon are not homogeneous. B. Ho: Site of injury and weapon are independent. HA: Site of injury and weapon are not independent. C. Ho: Site of injury and weapon are not homogeneous. HA: Site of injury and weapon are homogeneous. OD. Ho: Site of injury and weapon are not independent. HA: Site of injury and weapon are independent. Find the expected values under the null hypothesis. Weapon Body 5.45 4.20 Limb 50.35 (Round to two decimal places as needed.) Arrow Ground/Rock b) Compute the x² statistic. Injury Site Head/Neck 4.73 3.64 43.64 (Round to two decimal places as needed.) Limb 2.82 2.17 26.01 Table of Injuries Weapon Arrow Ground/Rock Sword Total Body 2 1 57 60 Done Injury Site Head/Neck 7 3 42 52 Limb 4 6 21 31 Total 13 10 120 143 X
Transcribed Image Text:A certain story, describing several weeks of a long war, reports many details of injuries and their causes. The accompanying table summarizes those reports for the 143 injuries for which the story provides that information. Is there an association? Complete parts a through e below. Click the icon to view the table. a) Under the null hypothesis, what are the expected values? What are the null and alternative hypotheses? OA. Ho: Site of injury and weapon are homogeneous. HA: Site of injury and weapon are not homogeneous. B. Ho: Site of injury and weapon are independent. HA: Site of injury and weapon are not independent. C. Ho: Site of injury and weapon are not homogeneous. HA: Site of injury and weapon are homogeneous. OD. Ho: Site of injury and weapon are not independent. HA: Site of injury and weapon are independent. Find the expected values under the null hypothesis. Weapon Body 5.45 4.20 Limb 50.35 (Round to two decimal places as needed.) Arrow Ground/Rock b) Compute the x² statistic. Injury Site Head/Neck 4.73 3.64 43.64 (Round to two decimal places as needed.) Limb 2.82 2.17 26.01 Table of Injuries Weapon Arrow Ground/Rock Sword Total Body 2 1 57 60 Done Injury Site Head/Neck 7 3 42 52 Limb 4 6 21 31 Total 13 10 120 143 X
A certain story, describing several weeks of a long war, reports many details of injuries and their causes. The accompanying table summarizes those reports for the 143 injuries for which the story provides that information. Is there an association? Complete parts a through e below. Click the icon to view the table. a) Under the null hypothesis, what are the expected values? What are the null and alternative hypotheses? OA. Ho: Site of injury and weapon are homogeneous. HA: Site of injury and weapon are not homogeneous. B. Ho: Site of injury and weapon are independent. HA: Site of injury and weapon are not independent. C. Ho: Site of injury and weapon are not homogeneous. HA: Site of injury and weapon are homogeneous. OD. Ho: Site of injury and weapon are not independent. HA: Site of injury and weapon are independent. Find the expected values under the null hypothesis. Weapon Body 5.45 4.20 Limb 50.35 (Round to two decimal places as needed.) Arrow Ground/Rock b) Compute the x² statistic. Injury Site Head/Neck 4.73 3.64 43.64 (Round to two decimal places as needed.) Limb 2.82 2.17 26.01 Table of Injuries Weapon Arrow Ground/Rock Sword Total Body 2 1 57 60 Done Injury Site Head/Neck 7 3 42 52 Limb 4 6 21 31 Total 13 10 120 143 X
Transcribed Image Text:A certain story, describing several weeks of a long war, reports many details of injuries and their causes. The accompanying table summarizes those reports for the 143 injuries for which the story provides that information. Is there an association? Complete parts a through e below. Click the icon to view the table. a) Under the null hypothesis, what are the expected values? What are the null and alternative hypotheses? OA. Ho: Site of injury and weapon are homogeneous. HA: Site of injury and weapon are not homogeneous. B. Ho: Site of injury and weapon are independent. HA: Site of injury and weapon are not independent. C. Ho: Site of injury and weapon are not homogeneous. HA: Site of injury and weapon are homogeneous. OD. Ho: Site of injury and weapon are not independent. HA: Site of injury and weapon are independent. Find the expected values under the null hypothesis. Weapon Body 5.45 4.20 Limb 50.35 (Round to two decimal places as needed.) Arrow Ground/Rock b) Compute the x² statistic. Injury Site Head/Neck 4.73 3.64 43.64 (Round to two decimal places as needed.) Limb 2.82 2.17 26.01 Table of Injuries Weapon Arrow Ground/Rock Sword Total Body 2 1 57 60 Done Injury Site Head/Neck 7 3 42 52 Limb 4 6 21 31 Total 13 10 120 143 X
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