SAT数学每日一练daily practice(2018年3月23日）

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2018年3月23日的SAT数学每日一练如下：

MathematicsStandard Multiple Choice

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 residentson the West Coast were surveyed. The study found

over 90% of people surveyed in NewEngland checked the weather daily, while 70%

of people surveyed on the West Coast did so. Ifthe margin 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

smartphonesmore than 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

conclusionbased on the data from the observational study is that there is

evidence (although not aguarantee) that people in New England check the weather

more often than people do on theWest Coast.

以上就是为大家整理的3月23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，易伯华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，请戳易伯华SAT数学首页~