CombinatoricsDifficulty 2.0JuniorFind the answerCanada
George wrote seven tests and each was marked out of 100. No two of his marks were the same. He recorded the seven marks to do a statistical analysis. He accidentally recorded his highest mark higher than it actually was. How many of the following are altered because of his mistake? • Mean • Median • Minimum test score • Range
(A) 0 (B) 1 (C) 2 (D) 3 (E) 4
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