2012 AP Statistics統計學真題Practice Exam系列之簡答題免費下載

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2012 AP Statistics Practice Exam Free-Response Questions Free Download

2012 AP統計學模考簡答題部分免費下載

此套題僅Section II含有簡答題

共計1小時30分鐘，共6題

占總分50%

每道大題可能含有不同數量的小題

其中Part A建議用時1小時05分鐘，共5題，占Section II總分75%

Part B建議用時25分鐘，共1題，占Section II總分25%

可以使用圖形計算器

考試時會提供常用公式表

完整版下載鏈接見文末

部分真題預覽：

Part A：

1）The scatterplot below displays the price in dollars and quality rating for 14 different sewing machines.

1. Describe the nature of the association between price and quality rating for the sewing machines.
2. One of the 14 sewing machines substantially affects the appropriateness of using a linear regression model to predict quality rating based on price. Report the approximate price and quality rating of that machine and explain your choice.
3. Chris is interested in buying one of the 14 sewing machines. He will consider buying only those machines for which there is no other machine that has both higher quality and lower price. On the scatterplot reproduced below, circle all data points corresponding to machines that Chris will consider buying.

Part B：

6）Two students at a large high school, Peter and Rania, wanted to estimate m, the mean number of soft drinks that a student at their school consumes in a week. A complete roster of the names and genders for the 2,000 students at their school was available. Peter selected a simple random sample of 100 students. Rania, knowing that 60 percent of the students at the school are female, selected a simple random sample of 60 females and an independent simple random sample of 40 males. Both asked all of the students in their samples how many soft drinks they typically consume in a week.

1. Describe a method Peter could have used to select a simple random sample of 100 students from the school.

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