SAT数学每日一练daily practice(2018年3月18日)

2018年3月18日的SAT数学每日一练如下：

Math: Calculator Permitted

Read the following question and then select the best answer.

A consumer-monitoring service wants to determine television viewing habits among 18- to 29-year-olds in a particular city. Which of the following survey methods is most likely to produce valid results?

In order to produce unbiased, valid data, the sample should be randomly selected and be representative of the entire population of interest. In this case, an appropriately conducted survey should give each person in the population of interest an equal chance of being surveyed. 在这种情况下，适当进行的调查应该让感兴趣人群中的每个人都有被调查的平等机会。

Select an Answer

A Select a random sample of 1 comma 000 18- to 29-year-olds in that city.

B Select a random sample of 1 comma 000 18- to 29-year-olds in that city who attended a computer camp when they were in high school.

C Select a random sample of 1 comma 000 18- to 29-year-olds in that city who played a varsity sport in high school.

D Select a random sample of 1 comma 000 18- to 29-year-olds in that city who played chess in high school.

正确答案：A

Select a random sample of 1 comma 000 18- to 29-year-olds in that city.

详细解析

Choice A is correct. In order to produce unbiased, valid data, the sample should be randomly selected and be representative of the entire population of interest. In this case, an appropriately conducted survey should give each consumer aged 18 to 29 years in the city an equal chance of being surveyed.

The choices that involve a particular high school, the chess team, and computer campers would not be representative of the entire population of 18- to 29-year-olds in the city.

以上就是为大家整理的3月18日的sat数学每日一练的内容。各位小可爱们，在备考的过程中，放松好心情，保持练题和模拟，有问题及时和老师或者同学进行沟通，小站sat数学频道会一直陪伴着你们哦，好好加油，小可爱们!向春天粗发~想了解更多SAT数学每日一练内容，请戳小站SAT数学首页~