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备考SAT数学练习题(附答案和详解)
资讯 · 2018-04-12 15:42:51 浏览量 · 123
小编为大家献上今日份的SAT数学练习题,宝宝们快来练练手吧。

  备考SAT的宝宝们早上好呀~又是新的一周,算算天数,距离5月份的SAT考试还有40天左右。宝宝们再坚持一段时间,就可以和SAT说拜拜了。小编为大家献上今日份的SAT数学练习题,宝宝们快来练练手吧。

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

  In a recent study to determine how often people indifferent parts of the United States check theweather, a random sample of residents in New England and a random sample of residents onthe West Coast were surveyed. The study found over 90% of people surveyed in New Englandchecked the weather daily, while 70% of people surveyed on the West Coast did so. If themargin of error of both samples were the same, which of the following statements is bestsupported by the study's findings?

  A.People in New England check the weather more often because the climate is colder than onthe West Coast.

  B.People in New England check the weather more often because there is more weathercoverage on television than there is on the West Coast.

  C.There is evidence that people in New England check the weather more often than people onthe West Coast.

  D.There is evidence that people in New England check the weather on their smartphones morethan do people on the West Coast.

  答案:C

  解析:

  Choice C is correct. A sample survey is a study thatobtains data from a subset of a population, usuallythrough a questionnaire or interview, in order toestimate population attributes.

  Since the margin of error is the same for each sample, the only reasonable conclusion basedon the data from the observational study is that there is evidence (although not a guarantee) that people in New England check the weather more often than people do on the West Coast.

  以上就是启德考培小编为大家整理的SAT备考资料,希望能够帮助到大家。如果想了解更多关相关信息,请关注启德考培珠海分校平台,免费获取备考提分解决方案,或欢迎 点击这里 进行网络咨询,我们会给您提供专业的服务。最后,预祝大家能在SAT考试中取得理想中的成绩。

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