【官方】SAT数学每日一题附答案和解析(2018年2月1日)

小站整理2018-02-07 10:51:38

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摘要:每日一题的内容是由sat官方所出,质量虽不比真题,但备考期间,由于有效备考资料珍贵有限。大家可以每天拿官方的Daily Practice来练手。以下是2018年2月1日的SAT数学练习部分:

每日一练:数学

Mathematics>Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer.

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SAT官方每日一题附答案和解析[数学](2018年2月1日)


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For each of the largest 21 airline companies in Europe, the average flight delay wascalculated and is shown in the dot plot above. If the dots representing the two airlines withthe longest average flight delays are removed from the dot plot, what will happen to themean, median, and range of the new data set?

A.Only the mean will decrease.

B.Only the mean and range will decrease.

C.Only the mean and median will decrease.

D.The mean, median, and range will decrease.

答案:B

解析:

Choice B is correct.

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