Exhibit 20.8.A sports agent wants to understand the differences in the annual earnings of players in different sports.The below table shows the annual earnings (in million dollars) of 52 athletes.For the Kruskal-Wallis test,the rank sums for each group are at the bottom of the table. 
Refer to Exhibit 20.8.The test statistic value is:
Definitions:
Genetic Basis
The role of genes and genetic variation in determining physical and behavioral traits in organisms.
OCD
Obsessive-Compulsive Disorder, a mental health disorder characterized by unwanted recurring thoughts (obsessions) and repetitive behaviors (compulsions).
Twin Studies
Research that compares the similarity between monozygotic (identical) twins and dizygotic (fraternal) twins to understand the role of genetics vs. environment in human development.
Acrophobia
An intense fear of heights that can significantly avoid behavior and interfere with daily life.
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