2. 外语
  3. Which of the following is closest to the mean of the prices of the 700 homes sold in 2012 and 2013 combined?

Which of the following is closest to the mean of the prices of the 700 homes sold in 2012 and 2013 combined?

admin2018-12-14  29
问题
Which of the following is closest to the mean of the prices of the 700 homes sold in 2012 and 2013 combined?
选项 A、$265,000
B、$270,000
C、$275,000
D、$280,000
E、$285,000
答案B
解析 The number of homes sold is given in the table, and the mean of the prices is given in the line graph.
The mean price of the 700 homes sold in 2012 and 2013 is the weighted average of the mean price of the 410 homes sold in 2012, which is $250,000, and the mean price of the 290 homes sold in 2013, which is $300,000:

Of the choices given, the closest is $270,000. The correct answer is Choice B.
This explanation uses the following strategies.
Strategy 4: Translate from a Figure to an Arithmetic or Algebraic Representation
Strategy 9: Estimate
转载请注明原文地址:https://jikaoti.com/ti/iodYFFFM
本试题收录于： GRE QUANTITATIVE题库GRE分类
0

GRE QUANTITATIVE

GRE

相关试题推荐
随机试题
最新回复(0)