Dr. Adam wants to know how time spent practicing the piano affects piano playing ability. To do so, he conducts an experiment with three groups who practice for different amounts of time: one hour, two hours, and three hours. Dr. Adam performs an ANOVA. Here is a summary of his data: Groups One Hour Two Hours Three Hours n-50 in-50 In 50 M- 30 M-43 M-55 SD-4 SD -3 SD-15 Which assumption of an ANOVA is most likely to have been violated given the data presented? O Homogeneity of variance Subjects are selected using random sampling Independence of observations Normality of distribution

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
Dr. Adam wants to know how time spent practicing the piano affects piano playing ability. To do so, he conducts an experiment with three groups who practice for different
amounts of time: one hour, two hours, and three hours. Dr. Adam performs an ANOVA. Here is a summary of his data:
Groups
One Hour
Two Hours
Three Hours
n-50
in-50
In 50
M-30
M-43
M-55
SD-4
SD -3
SD-15
Which assumption of an ANOVA is most likely to have been violated given the data presented?
O Homogeneity of variance
Subjects are selected using random sampling
Independence of observations
Normality of distribution
O000
Transcribed Image Text:Dr. Adam wants to know how time spent practicing the piano affects piano playing ability. To do so, he conducts an experiment with three groups who practice for different amounts of time: one hour, two hours, and three hours. Dr. Adam performs an ANOVA. Here is a summary of his data: Groups One Hour Two Hours Three Hours n-50 in-50 In 50 M-30 M-43 M-55 SD-4 SD -3 SD-15 Which assumption of an ANOVA is most likely to have been violated given the data presented? O Homogeneity of variance Subjects are selected using random sampling Independence of observations Normality of distribution O000
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
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 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…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
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
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman