A researcher wants to determine whether the means of two independent populations are the same.She has two independent random samples,one from each population,shown in the following table: 
She uses the Mann-Whitney U test and a significance level of 0.05.Then μU is ______.
Definitions:
Conventional Role
A social role that conforms to traditional expectations and norms within a society or social group.
Organizing Experience
The process of structuring or arranging events and experiences in a coherent and meaningful framework in one's mind.
Adolescents' Lives
A phase in human development that involves the transition from childhood to adulthood, marked by physical, psychological, and social changes.
School
Educational institutions where students receive instruction and training from teachers, often compulsory up to a certain age and necessary for personal development.
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