Three admission test preparation programs are being evaluated. Suppose the scores obtained by a sample of 20 people who used the programs provided the following data. Program A B 530 450 600 400 530 640 490 400 570 540 420 490 490 470 590 620 360 610 550 560 Use the Kruskal-Wallis test to determine whether there is a significant difference among the three test preparation programs. Use a = 0.05. State the null and alternative hypotheses. O Ho: Median, Median, + Median. H: Median, = Mediang = Median. O H: Not all populations of test scores are identical. H: All populations of test scores are identical. O Ho: Median, = Mediang = Medianc H: Median, + Mediang • Median, O H: All populations of test scores are identical. H: Not all populations of test scores are identical. O Ho: Median, = Mediang = Median. H: Median, > Mediang < Median. Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to three decimal places.) p-value = State your conclusion. O Do not reject H. There is not sufficient evidence to conclude that there is a significant difference among the three test preparation programs. O Reject H. There is sufficient evidence to conclude that there is a significant difference among the three test preparation programs. O Reject H. There is not sufficient evidence to conclude that there is a significant difference among the three test preparation programs. O Do not reject Hg. There is sufficient evidence to conclude that there is a significant difference among the three test preparation programs.
Three admission test preparation programs are being evaluated. Suppose the scores obtained by a sample of 20 people who used the programs provided the following data. Program A B 530 450 600 400 530 640 490 400 570 540 420 490 490 470 590 620 360 610 550 560 Use the Kruskal-Wallis test to determine whether there is a significant difference among the three test preparation programs. Use a = 0.05. State the null and alternative hypotheses. O Ho: Median, Median, + Median. H: Median, = Mediang = Median. O H: Not all populations of test scores are identical. H: All populations of test scores are identical. O Ho: Median, = Mediang = Medianc H: Median, + Mediang • Median, O H: All populations of test scores are identical. H: Not all populations of test scores are identical. O Ho: Median, = Mediang = Median. H: Median, > Mediang < Median. Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to three decimal places.) p-value = State your conclusion. O Do not reject H. There is not sufficient evidence to conclude that there is a significant difference among the three test preparation programs. O Reject H. There is sufficient evidence to conclude that there is a significant difference among the three test preparation programs. O Reject H. There is not sufficient evidence to conclude that there is a significant difference among the three test preparation programs. O Do not reject Hg. There is sufficient evidence to conclude that there is a significant difference among the three test preparation programs.
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
Topic Video
Question
100%
![Three admission test preparation programs are being evaluated. Suppose the scores obtained by a sample of 20 people who used the programs provided the following data.
Program
A B C
530
450
600
400
530
640
490
400
570
540
420
490
490
470
590
620
360
610
550
560
Use the Kruskal-Wallis test to determine whether there is a significant difference among the three test preparation programs. Use a = 0.05.
State the null and alternative hypotheses.
O H,: Median, + Mediang + Median
H: Median, = Mediang = Medianc
O Ho: Not all populations of test scores are identical.
H.: All populations of test scores are identical.
O Ho: Median, = Median, = Medianc
H: Median, + Mediang + Median.
O H: All populations of test scores are identical.
H: Not all populations of test scores are identical,
O Ho: Median, = Mediang = Medianc
H: Median, > Mediang « Medianc
Find the value of the test statistic. (Round your answer to two decimal places.)
Find the p-value. (Round your answer to three decimal places.)
т
p-value =
State your conclusion.
O Do not reject Hn. There is not sufficient evidence to conclude that there is a significant difference among the three test preparation programs.
O Reject H. There is sufficient evidence to conclude that there is a significant difference among the three test preparation programs.
O Reject Hn. There is not sufficient evidence to conclude that there is a significant difference among the three test preparation programs.
O Do not reject Hn. There is sufficient evidence to conclude that there is a significant difference among the three test preparation programs.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc2d370bb-e789-494e-bee0-ba2e0951fd2c%2F3b9dd96f-4c66-4cf1-9731-89e8fea786ca%2Fcqnm408_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Three admission test preparation programs are being evaluated. Suppose the scores obtained by a sample of 20 people who used the programs provided the following data.
Program
A B C
530
450
600
400
530
640
490
400
570
540
420
490
490
470
590
620
360
610
550
560
Use the Kruskal-Wallis test to determine whether there is a significant difference among the three test preparation programs. Use a = 0.05.
State the null and alternative hypotheses.
O H,: Median, + Mediang + Median
H: Median, = Mediang = Medianc
O Ho: Not all populations of test scores are identical.
H.: All populations of test scores are identical.
O Ho: Median, = Median, = Medianc
H: Median, + Mediang + Median.
O H: All populations of test scores are identical.
H: Not all populations of test scores are identical,
O Ho: Median, = Mediang = Medianc
H: Median, > Mediang « Medianc
Find the value of the test statistic. (Round your answer to two decimal places.)
Find the p-value. (Round your answer to three decimal places.)
т
p-value =
State your conclusion.
O Do not reject Hn. There is not sufficient evidence to conclude that there is a significant difference among the three test preparation programs.
O Reject H. There is sufficient evidence to conclude that there is a significant difference among the three test preparation programs.
O Reject Hn. There is not sufficient evidence to conclude that there is a significant difference among the three test preparation programs.
O Do not reject Hn. There is sufficient evidence to conclude that there is a significant difference among the three test preparation programs.
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.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 6 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.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