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Kumon promotes a method of studying mathematics that it claims develops mathematical ability. Do data support this claim? In one particular question on the TIMS exam, a random sample of 400 non-Kumon students resulted in 73 getting the correct answer. For the same question, a random sample of 400 Kumon students resulted in 130 getting the correct answer. Perform the appropriate test to substantiate Kumon's claims. Are there any confounding factors regarding the claim?

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Category:- Statistics and Probability
Reference No.:- M91001606

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