A researcher conducts a one-way ANOVA involving three groups. When she analyzes the data she realizes the data seriously violate the assumptions underlying parametric ANOVA. Therefore, she decides to use the Kruskal-Wallis test to conclude with regard to H 0. The data are given below. 
H obt = _________.
Definitions:
Progressive Era
A period of widespread social activism and political reform in the United States from the 1890s to the 1920s, aimed at eliminating problems caused by industrialization, urbanization, immigration, and corruption.
Freedom of Expression
The right to express one's ideas and opinions freely through speech, writing, and other forms of communication without fear of censorship or punishment.
Labor Movement
The collective organization of working people aimed at improving wages, working conditions, and workers' rights through unions, strikes, and political action.
Progressive Age
A period in U.S. history, from the 1890s to the 1920s, characterized by social activism and political reform.
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