QUESTION 20 You conduct post-hoc analyses because your ANOVA is significant. Your posthoc analyses are as follows: Post Hoc Comparisons - Age Groups Comparison Age Groups young adults young adults middle-aged adults Age Groups middle-aged adults older adults older adults Mean Difference -4.60 22.50 27.10 SE df 8.91 27.0 8.91 27.0 8.91 27.0 Which differences between group-wise comparisons are statistically significant? young adults (M=75.6, SD-23.3) to middle-aged adults (M=80.2, SD=16.9) young adults (M=75.6, SD=23.3) to older adults (M=53.1, SD=19.0) middle aged-adults (M=80.2, SD=16.9) to older adults (M=53.1, SD=19.0) none t -0.516 2.525 3.041 0.610 0.018 0.005

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 23PFA
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QUESTION 20
You conduct post-hoc analyses because your ANOVA is significant. Your posthoc analyses are as follows:
Post Hoc Comparisons - Age Groups
Comparison
Age Groups
young adults
young adults
middle-aged adults
Age Groups
middle-aged adults
older adults
older adults
Mean Difference
-4.60
22.50
27.10
SE
df
Which differences between group-wise comparisons are statistically significant?
young adults (M=75.6, SD=23.3) to middle-aged adults (M=80.2, SD=16.9)
young adults (M=75.6, SD=23.3) to older adults (M=53.1, SD=19.0)
middle aged-adults (M=80.2, SD=16.9) to older adults (M=53.1, SD=19.0)
none
8.91
8.91 27.0
8.91
27.0
t
р
0.610
27.0 -0.516
2.525
0.018
3.041 0.005
Transcribed Image Text:QUESTION 20 You conduct post-hoc analyses because your ANOVA is significant. Your posthoc analyses are as follows: Post Hoc Comparisons - Age Groups Comparison Age Groups young adults young adults middle-aged adults Age Groups middle-aged adults older adults older adults Mean Difference -4.60 22.50 27.10 SE df Which differences between group-wise comparisons are statistically significant? young adults (M=75.6, SD=23.3) to middle-aged adults (M=80.2, SD=16.9) young adults (M=75.6, SD=23.3) to older adults (M=53.1, SD=19.0) middle aged-adults (M=80.2, SD=16.9) to older adults (M=53.1, SD=19.0) none 8.91 8.91 27.0 8.91 27.0 t р 0.610 27.0 -0.516 2.525 0.018 3.041 0.005
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