题目内容
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In a set of five consecutive integers, which of the following must change the average of the set without changing its original median ?
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AMultiplying each of the numbers in the set by 6.
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BAdding 10 to each of the numbers in the set.
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CSubtracting 3.5 from each of the numbers in the set.
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DAdding 8.2 to the 2 largest numbers and subtracting 8.2 from the 3 smallest numbers in the set.
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EAdding 5 to the 2 largest and to the 2 smallest numbers in the set.
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FDividing each of the numbers in the set by 2.
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GIt`s not possible to change the average of the set without changing its median.
E显示答案