The following ANOVA table shows the results of a study in which three different teachers taught calculus classes of five different sizes.The class average was recorded for each class.Assuming no effect from the interaction between teacher and class size,test the claim that the teacher has no effect on the class average. 
Definitions:
Term Limits
Restrictions on the number of terms an officeholder may serve in a particular elected position.
Keating Owen
A 1916 United States federal law that sought to address child labor by prohibiting the sale of goods produced by factories that employed children under certain ages, later ruled unconstitutional.
Unconstitutional Expansion
The action or policy of expanding authority or territorial holdings in a manner that violates the constitutional law or principles of the governing body.
Child Labor Act
Legislation aimed at protecting children from exploitation in the workplace by setting minimum age requirements and regulating work hours and conditions.
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