AP統計學真題及答案，2023AP考試報名中！

由于統計學廣泛的應用，這門科目也成為了許多學生選擇的AP熱門學科。

統計學主要探討數據的收集，處理，理解以及檢驗。要求學生具備設計實驗以及數據分析的能力。很多的題目源于實際生活， 需要學生根據描述確定對應的分析模型。對學生的提煉總結能力有比較高的要求。

今天我們就一起來看一道AP統計學真題及答案~ 2023AP考試報名中！

AP統計學真題：

A large clinical trial was designed to determine whether a certain vitamin improves the general health of adults.The investigators first identified 85 variables that measure various aspects of the general health of adults.Because each adult in the clinical trial was to serve as his or her own control, the 85 variables were measured for each adult, both before taking the vitamin and after taking the vitamin for three months. The investigators then performed 85 matched-pair t-tests, one for each variable. They found statistically significant results at the 0.05 level in 2 of the variables, both in the direction of improved general health. Which of the following should the investigators conclude?

(A) There is evidence that the vitamin improves the health of adults because 2 of the 85 tests were statistically significant.

(B) There is evidence that the vitamin improves the health of adults because in clinical trials investigators typically underestimate the proportion of the population that is helped by a vitamin.

(C) There is insufficient evidence that the vitamin improves the health of adults because at the 0.05 significancelevel, one could easily get statistically significant results in 2 out of 85 tests just due to chance variability.

(D) There is insufficient evidence that the vitamin improves the health of adults because the sample size of 85 is not large enough to draw a conclusion.

(E) No conclusion can be drawn because an even number of variables is needed for a matched-pairs design.

答案：C（試題解析文末掃碼添加翰林顧問老師領取）

掃碼添加翰林顧問老師，可一對一制定國際課程規劃

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