【官方】SAT数学每日一题附答案和解析(2018年2月1日)

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【官方】SAT 数学每日一题附答案和解析 ( 2018 年 2 月 1 日 )

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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.

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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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.

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.

关注微信公众号【留学战书】:

人手一本经典 SAT 考试用书 在线免费阅读

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