A professor has been teaching an undergraduate course for the last 15 years a has noticed that in the fall term there are more failures than in the same course offered in the winter term. The professor is wondering if this may be due to students being less prepared fo the subject matter in the fall than in the winter because more students are taking the prerequisite simultaneously. Before drawing any conclusions though, the professor goes bac over all the grades in all classes she taught in the last 15 years and counts the number of students that passed or failed. She then also records who had and had not completed the prerequisite first (see Table 4 for the data). On the basis of the last 15 years of data, should
A professor has been teaching an undergraduate course for the last 15 years a has noticed that in the fall term there are more failures than in the same course offered in the winter term. The professor is wondering if this may be due to students being less prepared fo the subject matter in the fall than in the winter because more students are taking the prerequisite simultaneously. Before drawing any conclusions though, the professor goes bac over all the grades in all classes she taught in the last 15 years and counts the number of students that passed or failed. She then also records who had and had not completed the prerequisite first (see Table 4 for the data). On the basis of the last 15 years of data, should
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
100%
May you please guide me with the steps and methods for completing this hypothesis question as I keep getting my calculations confused and I don't know if I am following the steps correctly. I would appreciate it greatly, thank you.
![A professor has been teaching an undergraduate course for the last 15 years and
has noticed that in the fall term there are more failures than in the same course offered in the
winter term. The professor is wondering if this may be due to students being less prepared for
the subject matter in the fall than in the winter because more students are taking the
prerequisite simultaneously. Before drawing any conclusions though, the professor goes back
over all the grades in all classes she taught in the last 15 years and counts the number of
students that passed or failed. She then also records who had and had not completed the
prerequisite first (see Table 4 for the data). On the basis of the last 15 years of data, should the
2
professor conclude that there is a difference in pass and failure rates depending on whether the
prerequisite was done or not? Use the alpha of 0.05 and carry out all the steps of hypothesis
testing to answer the hypothesis.
Table 4. Course completion based on prerequisite
PREREQUISITE
OUTCOME
Completed prior
Simultaneously
Pass
1,105
60
Fail
120
515](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fea664bcb-048a-4cce-b446-43ac6eb25822%2F45c733e1-37eb-46ea-b71e-aae8faee8799%2F7eobjt_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A professor has been teaching an undergraduate course for the last 15 years and
has noticed that in the fall term there are more failures than in the same course offered in the
winter term. The professor is wondering if this may be due to students being less prepared for
the subject matter in the fall than in the winter because more students are taking the
prerequisite simultaneously. Before drawing any conclusions though, the professor goes back
over all the grades in all classes she taught in the last 15 years and counts the number of
students that passed or failed. She then also records who had and had not completed the
prerequisite first (see Table 4 for the data). On the basis of the last 15 years of data, should the
2
professor conclude that there is a difference in pass and failure rates depending on whether the
prerequisite was done or not? Use the alpha of 0.05 and carry out all the steps of hypothesis
testing to answer the hypothesis.
Table 4. Course completion based on prerequisite
PREREQUISITE
OUTCOME
Completed prior
Simultaneously
Pass
1,105
60
Fail
120
515
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
![Elementary Statistics: Picturing the World (7th E…](https://www.bartleby.com/isbn_cover_images/9780134683416/9780134683416_smallCoverImage.gif)
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
![The Basic Practice of Statistics](https://www.bartleby.com/isbn_cover_images/9781319042578/9781319042578_smallCoverImage.gif)
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
![Introduction to the Practice of Statistics](https://www.bartleby.com/isbn_cover_images/9781319013387/9781319013387_smallCoverImage.gif)
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman