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SAT官方每日一题附答案和解析[数学](2020年5月18日)

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Mathematics>Standard Multiple Choice

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

SAT官方每日一题附答案和解析[数学](2018年2月1日)

For each of the largest 21 airline companies in Europe, the average flight delay was calculated and is shown in the dot plot above. If the dots representing the two airlines with the longest average flight delays are removed from the dot plot, what will happen to the mean, 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.

重点单词   查看全部解释    
calculated ['kælkjuleitid]

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adj. 计算出的;适合的;有计划的 v. 计算;估计;

 
multiple ['mʌltipl]

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adj. 许多,多种多样的
n. 倍数,并联

联想记忆
flight [flait]

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n. 飞行,航班
n. 奇思妙想,一段楼

 
range [reindʒ]

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n. 范围,行列,射程,山脉,一系列
v. 排

 
delay [di'lei]

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v. 耽搁,推迟,延误
n. 耽搁,推迟,延期

 
plot [plɔt]

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n. 阴谋,情节,图,(小块)土地,
v. 绘

 

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