Assume that a Kruskal-Wallis test is being conducted to determine whether or not the medians of three populations are equal. The sum of rankings and the sample size for each group are below. 
What is the value of the test statistic?
Definitions:
Biologically Influenced Physical Attributes
Traits and characteristics of the physical body that are shaped by genetic, hormonal, and evolutionary factors.
Socially Influenced Personality Traits
Characteristics of an individual's personality that are shaped or modified by social interactions and cultural context.
Protective Antibodies
Proteins produced by the immune system that recognize and neutralize foreign substances such as bacteria and viruses.
STIs
Sexually Transmitted Infections, diseases passed from one person to another through sexual contact.
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