In table below are indicated the numbers of students passed and failed by three instructors. Test the hypothesis that the failure rates of students of the three instructors are different. Use 0.01- Mr. X Mr. Y Mr. Z 50 Passed Failed so 45 10 20 a- Calculate the test statistic (round to 2 decimals) b- Find the critical value C- What is your conclusion?

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.6: Applications And The Perron-frobenius Theorem
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In table below are indicated the numbers of students passed and failed by three instructors. Test the
hypothesis that the failure rates of students of the three instructors are different. Usea0.01-
Mr. X
so
Mr. Y
Mr. Z
Passed
Failed
45
50
10
20
a- Calculate the test statistic (round to 2 decimals)
b- Find the critical value
c- What is your conclusion?
ASUS VivoBook
Transcribed Image Text:Remaining Time: 51 minutes, 19 seconds. - Question Completion Status: 17 In table below are indicated the numbers of students passed and failed by three instructors. Test the hypothesis that the failure rates of students of the three instructors are different. Usea0.01- Mr. X so Mr. Y Mr. Z Passed Failed 45 50 10 20 a- Calculate the test statistic (round to 2 decimals) b- Find the critical value c- What is your conclusion? ASUS VivoBook
c- What is your conclusion?
Answer: Since the test statistic is (greater/less)
than the critical value, we (dof
don't)
have enough evidence to conclude that the failure rates of the three instructors are not all the same.
A Moving to another question will save this response.
ASUS VivoBook
24
3
4.
Transcribed Image Text:c- What is your conclusion? Answer: Since the test statistic is (greater/less) than the critical value, we (dof don't) have enough evidence to conclude that the failure rates of the three instructors are not all the same. A Moving to another question will save this response. ASUS VivoBook 24 3 4.
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