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
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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can you help find B and the P-Value
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
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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