SAT课程
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SAT课程
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7*24小时专业老师服务
【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
MathematicsStandard Multiple Choice
Read the following SAT test question and then click on a button to select
your answer.
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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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