2015年12月27日SAT官方每日一題

2015/12/29 瀏覽次數:3 收藏
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  標題範例:Mathematics > Standard Multiple Choice

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

  The histogram above shows the distribution of 31 black cherry trees, by height. For example, the leftmost bar represents the black cherry trees that are at least 60 feet, but less than 65 feet, in height. Based on the histogram, which of the following can be the average (arithmetic mean) height of the 31 black cherry trees?

  (A) 70 feet

  (B) 72 feet

  (C) 74 feet

  (D) 78 feet

  (E) 80 feet

  謎底:C

  【剖析】