Mason is conducting a study on the effect of computer-based training on the math ability of seventh-graders. He randomly assigns one group of students to use a computer-based training method and another group of students to use workbooks. What type of analysis should be performed to determine if there is a difference between the two conditions?   Group of answer choices   A) paired samples t test   B) Pearson's correlation   C) independent samples t test   D) z test

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