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In table below are indicated the numbers of students passed and failed by three instructors. Test the hypothesis that the failu are different. Use a=0.05 Mr. X Mr. Y Mr. Z Passed Failed 50 45 50 15 5. 35 a- Caiculate the test statistic (round to 2 decimals) b- Find the critical value c- What is your conclusion? = is (greater/less) than the critical value, we (dol don't) Answer: Since the i have enough evidence to conclude that the failure rates of the three instructors are not all equal.

In table below are indicated the numbers of students passed and failed by three instructors. Test the hypothesis that the failu are different. Use a=0.05 Mr. X Mr. Y Mr. Z Passed Failed 50 45 50 15 5. 35 a- Caiculate the test statistic (round to 2 decimals) b- Find the critical value c- What is your conclusion? = is (greater/less) than the critical value, we (dol don't) Answer: Since the i have enough evidence to conclude that the failure rates of the three instructors are not all equal.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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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students passed and failed by three instructors. Test the hypothesis that the failure rates of the students of the three instructors ecimals) less) than the critical value, we (dol don't) ne failure rates of the three instructors are not all equal.
Transcribed Image Text:students passed and failed by three instructors. Test the hypothesis that the failure rates of the students of the three instructors ecimals) less) than the critical value, we (dol don't) ne failure rates of the three instructors are not all equal.
Question 4 In table below are indicated the numbers of students passed and failed by three instructors. Test the hypothesis that the failure are different. Use a=0.05- Mr. X Mr. Y Mr. Z Passed Failed 50 45 50 15 35 a- Caiculate the test statistic (round to 2 decimals) b- Find the critical value c- What is your conclusion? Answer: Since the i : is (greater/less) than the critical value, we (dol don't) have enough evidence to conclude that the failure rates of the three instructors are not all equal.
Transcribed Image Text:Question 4 In table below are indicated the numbers of students passed and failed by three instructors. Test the hypothesis that the failure are different. Use a=0.05- Mr. X Mr. Y Mr. Z Passed Failed 50 45 50 15 35 a- Caiculate the test statistic (round to 2 decimals) b- Find the critical value c- What is your conclusion? Answer: Since the i : is (greater/less) than the critical value, we (dol don't) have enough evidence to conclude that the failure rates of the three instructors are not all equal.
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