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
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
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2CYU
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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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F51a2b74f-be69-4a8b-86ec-2c29e5c62b36%2F25198885-f480-4ad6-ad48-5ee53f8d1fea%2F9tacll2_processed.jpeg&w=3840&q=75)
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
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