 A-LEVEL课程

# AP统计学知识点总结知识点

2020-07-21 21:36| 来源：环球AP | 点击量：

备考AP统计学需要哪些知识点呢?下面老师为大家整理了AP统计学知识点总结知识点，期望可以对大家有一定的帮助。

AP统计学知识点总结知识点如下：

一、Constructing and interpreting graphical displays of distributions of univariate data (dotplot, stemplot, histogram, cumulative frequency plot)

2.Clusters and gaps;

3.Outliers and other unusual features;

4.Shape;

二、Summarizing distributions of univariate data

1.Measuring center: median, mean;

2.Measuring spread: range, interquartile range, standard deviation;

3.Measuring position: quartiles, percentiles, standard scores (z-scores);

4.Using boxplots;

5.The effect of changing units on summary measures;

三、Comparing distributions of univariate data (dotplots, back-to-back stemplots, parallel boxplots )

1.Comparing center and spread: within group, between group variation;

2.Comparing clusters and gaps;

3.Comparing outliers and other unusual features;

4.Comparing shapes;

四、Exploring bivariate data

1.Analyzing patterns in scatterplots;

2.Correlation and linearity;

3.Least-squares regression line;

4.Residual plots, outliers and influential points;

5.Transformations to achieve linearity: logarithmic and power tranformations;

五、Exploring categorical data

1.Frequency tables and bar charts;

2.Marginal and joint frequencies for two-way tables;

3.Conditional relative frequencies and association;

4.Comparing distributions using bar charts;

六、.Planning and conducting surveys

1.Characteristics of a well-designed and well-conducted survey;

2.Populations, samples and random selection;

3.Sources of bias in sampling and surveys;

4.Sampling methods, including simple random sampling, stratified random sampling and cluster sampling;

七、Planning and conducting experiments

1.Characteristics of a well-designed and well-conducted experiment;

2.Treatments, group control, experimental units, random assignment and replication;

3.Sources of bias and confounding, including placebo effect and blinding;

4.Completely randomized design;

5.Randomized block design, including matched pairs design;

八、Generalizability of results and types of conclusions that can be drawn from observational studies, experiments and surveys

1.Interpreting probability, including long-run relative frequency interpretation;

2.“Law of Large Numbers” concept;

3.Addition rule, multiplication rule, conditional probability and independence;

4.Discrete random variables and their probability distributions, including binomial and geometric;

5.Simulation of random behavior and probability distributions;

6.Mean (expected value) and standard deviation of a random variable, and linear transformation of a random variable;

九、Combining independent random variables

1.Notion of independence versus dependence;

2.Mean and standard deviation for sums and differences of independent random variables;

十、The normal distribution

1.Properties of the normal distribution;

2.Using tables of the normal distribution;

3.The normal distribution as a model for measurement;

十一、Sampling distributions

1.Sampling distribution of a sample proportion;

2.Sampling distribution of a sample mean;

3.Central Limit Theorem;

4.Sampling distribution of a difference between two independent sample proportions;

5.Sampling distribution of a difference between two independent sample means;

6.Simulation of sampling distributions;

7.t-distribution;

8.Chi-square distribution;

十二、Estimation (point estimators and confidence intervals)

1.Estimating population parameters and margins of error;

2.Properties of point estimators, including unbiasedness and variability;

3.Logic of confidence intervals, meaning of confidence level and confidence intervals, and properties of confidence intervals;

4.Large sample confidence interval for a proportion;

5.Large sample confidence interval for a difference between proportions;

6.Confidence interval for a mean;

7.Confidence interval for a difference between two means (unpaired and paired);

8.Confidence interval for the slope of a least-squares regression line;

以上是AP统计学知识点总结知识点，希望文章里的这些信息考生们能认真的阅读，如果是想再了解其它方面的信息，请点击咨询上海环球教育官方网站。咨询电话：400-820-0602。

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