The contingency table shows a random sample of engineering, psychology, and biology articles and if and how they were coauthored. At a = 0.01, can you conclude that the subject Coauthorship matter and coauthorship are related? Complete parts (a) through (d). Subject matter Engineering Psychology Biology Coauthored 47 46 48 Internationally coauthored Not coauthored 32 6 18 37 44 40 (a) Identify the claim and state the null and alternative hypotheses. Ho: Coauthorship and subject matter are Ha: Coauthorship and subject matter are The is the claim. (b) Calculate the test statistic. If convenient, use technology. =(Round to three decimal places as needed.) (c) Decide to reject or fail to reject the null hypothesis. Then interpret the decision in the context of the original claim. What is the conclusion of the test? V Ho. There V enough evidence to support Ha- How does this relate to the original claim? O A. This does not support the claim that subject and coauthorship are not related. O B. This supports the claim that subject and coauthorship are not related. OC. This does not support the claim that subject and coauthorship are related. O D. This supports the claim that subject and coauthorship are related.
The contingency table shows a random sample of engineering, psychology, and biology articles and if and how they were coauthored. At a = 0.01, can you conclude that the subject Coauthorship matter and coauthorship are related? Complete parts (a) through (d). Subject matter Engineering Psychology Biology Coauthored 47 46 48 Internationally coauthored Not coauthored 32 6 18 37 44 40 (a) Identify the claim and state the null and alternative hypotheses. Ho: Coauthorship and subject matter are Ha: Coauthorship and subject matter are The is the claim. (b) Calculate the test statistic. If convenient, use technology. =(Round to three decimal places as needed.) (c) Decide to reject or fail to reject the null hypothesis. Then interpret the decision in the context of the original claim. What is the conclusion of the test? V Ho. There V enough evidence to support Ha- How does this relate to the original claim? O A. This does not support the claim that subject and coauthorship are not related. O B. This supports the claim that subject and coauthorship are not related. OC. This does not support the claim that subject and coauthorship are related. O D. This supports the claim that subject and coauthorship are related.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Question
Transcribed Image Text:The contingency table shows a random sample of engineering, psychology, and biology articles and if and how they were coauthored.
At a = 0.01, can you
conclude that the subject Coauthorship
matter and coauthorship
are related? Complete
parts (a) through (d).
Subject matter
Engineering Psychology Biology
Coauthored
47
46
48
Internationally coauthored
Not coauthored
32
6.
18
37
44
40
(a) Identify the claim and state the null and alternative hypotheses.
Ho: Coauthorship and subject matter are
Ha: Coauthorship and subject matter are
The
is the claim.
(b) Calculate the test statistic. If convenient, use technology.
(Round to three decimal places as needed.)
%3D
(c) Decide to reject or fail to reject the null hypothesis. Then interpret the decision in the context of the original claim.
What is the conclusion of the test?
Ho. There
enough evidence to support Ha.
How does this relate to the original claim?
O A. This does not support the claim that subject and coauthorship are not related.
O B. This supports the claim that subject and coauthorship are not related.
O C. This does not support the claim that subject and coauthorship are related.
O D. This supports the claim that subject and coauthorship are related.
Click te select vour answerls land then click Check Anewer
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