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A researcher is interested in doing a study comparing the effectiveness of two different approaches to teaching spelling. One approach is phonics-based, and the other is not. She randomly assigns 30 first grade children to the phonics-based approach and 30 children to the other approach. Her dependent variable is the number of words the children spell correctly on a 100-word spelling test. In order to compare the groups, what inferential test should she use?
Graph
A visual representation of data points, functions, or mathematical relationships on a set of axes.
Consistent
In terms of systems of equations, it describes a system that has at least one solution.
Infinite Solutions
A situation where an equation or system of equations has an unlimited number of solutions.
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