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A professor in an adult psychology class wanted to explore is there were significant difference in
test scores based on age. The three age brackets below have been obtained from normal
populations with equal variances. Use a simple ANOVA to test for differences among the groups
and run a Tukey to compare each group.
30 and younger
31-49
50 and older
10
5
9
7
10
13
14
9
12
11
9
14
8
7
12
8
7
12
Fill in the chart:
test selected
Level of significance
Ho
Ha
Degree of Freedom
Critical Value
Test statistic
Decision
Compare Factors
Group
Group
Sig
EMBED Equation.3
Decision
Describe Findings
30 and younger 31-49 50 and older
10 5 9
7 10 13
14 9 12
11 9 14
8 7 12
8 7 12
A professor in an adult psychology class wanted to explore is there we.pdf

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A professor in an adult psychology class wanted to explore is there we.pdf

  • 1. A professor in an adult psychology class wanted to explore is there were significant difference in test scores based on age. The three age brackets below have been obtained from normal populations with equal variances. Use a simple ANOVA to test for differences among the groups and run a Tukey to compare each group. 30 and younger 31-49 50 and older 10 5 9 7 10 13 14 9 12 11 9 14 8 7 12 8 7 12
  • 2. Fill in the chart: test selected Level of significance Ho Ha Degree of Freedom Critical Value Test statistic Decision Compare Factors Group Group Sig EMBED Equation.3 Decision Describe Findings 30 and younger 31-49 50 and older 10 5 9 7 10 13 14 9 12 11 9 14 8 7 12 8 7 12