Which groups are significantly different from each other? Multiple Comparisons D

Question

Which groups are significantly different from each other? Multiple Comparisons Dependent Variable: Tukey HSD Time Mean Difference (l- J) 95% Confidence Interval Sig Std. Error 3.60000 1.43088 3.80000 1.43088 3.60000 1.43088 200001.43088 3.800001.43088 200001.43088 Lower Bound Upper Bound 7.1477 7.3477 0523 3.7477 2523 3.3477 Course 046 034 046 989 034 989 0523 2523 7.1477 3.3477 7.3477 3.7477 Beginner Intermediate Advanced Intermediate Beginner Advanced Beginner Intermediate Advanced *. The mean difference is significant at the 0.05 level

Explanation / Answer

From the givne p - values (sig. column), we can see that for the groups 1) Beginner & Intermediate and 2) Beginner & Advanced, the p - value is less than 0.05. Hence,

1) Beginner & Intermediate and 2) Beginner & Advanced will be significantly different from each other.

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