A Teacher Wanted to Compare Two Methods for Teaching Math

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A teacher wanted to compare two methods for teaching math. He randomly divided the class in half. Half the class was given the standard method first, followed by the new method. The other half was given the two methods in the opposite order. The results of tests given after each of the two methods are shown in the following table: A teacher wanted to compare two methods for teaching math. He randomly divided the class in half. Half the class was given the standard method first, followed by the new method. The other half was given the two methods in the opposite order. The results of tests given after each of the two methods are shown in the following table:

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