A statistics instructor wonders whether significant differences exist in her students' final exam scores in her three different sections. She randomly selects the scores from 10 students in each section. A portion of the data is shown in the accompanying table. Assume exam scores are normally distributed. (You may find it useful to reference the Etable.) Click here for the Excel Data File Section 1 Section 2 Section 3 63 63 92 se 90 67 62 64 84 a. Construct an ANOVA table. (Round intermediate calculations to et least 4 decimal places. Round "SS, "MS, "pvalue" to 4 decimal places and "P to 3 decimal pleces.) ANOVA Source of Variation df MS F p-value Between Groups Within Groups Total 1 Section 1 Section 2 Section 3 2 63 3 50 Do these ata provide enough evdence et the 5% sgnficance leve to rdicate tat mere are some dfleences n avetage exan scores among these three sections? 92 67 63 ONo since the pvalue is not iess than significance level. ONo since the pvalue is less than signficence level 90 83 62 O Yes nce the pvalue not les than signticance level O ves, since tne paalue is ess then sgnficence level 86 54 88 70 51 95 51 92 65 96 8. 56 65 72 64 64 94 10 67 62 (70 77 64 84 B. W
A statistics instructor wonders whether significant differences exist in her students' final exam scores in her three different sections. She randomly selects the scores from 10 students in each section. A portion of the data is shown in the accompanying table. Assume exam scores are normally distributed. (You may find it useful to reference the Etable.) Click here for the Excel Data File Section 1 Section 2 Section 3 63 63 92 se 90 67 62 64 84 a. Construct an ANOVA table. (Round intermediate calculations to et least 4 decimal places. Round "SS, "MS, "pvalue" to 4 decimal places and "P to 3 decimal pleces.) ANOVA Source of Variation df MS F p-value Between Groups Within Groups Total 1 Section 1 Section 2 Section 3 2 63 3 50 Do these ata provide enough evdence et the 5% sgnficance leve to rdicate tat mere are some dfleences n avetage exan scores among these three sections? 92 67 63 ONo since the pvalue is not iess than significance level. ONo since the pvalue is less than signficence level 90 83 62 O Yes nce the pvalue not les than signticance level O ves, since tne paalue is ess then sgnficence level 86 54 88 70 51 95 51 92 65 96 8. 56 65 72 64 64 94 10 67 62 (70 77 64 84 B. W
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
Expert Solution
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 3 steps with 3 images
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
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
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
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
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…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
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
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman