A-Level课程高效自学方法
A-Level是英国高中课程，也是英国大学入学考试，同时，A-Level成绩也被全球众多国家的高校认可。 A-Level多达70多门课程，主要分为： 1.核心基础课程：主要有数学、物理、化学、生物、地理; 2.核心基础课程的延伸...
AQA A Level Maths: Statistics复习笔记2.5.2 Hypothesis Testing for Correlation
Hypothesis Testing for Correlation You should be familiar with using a hypothesis test to determine bias within probability problems. It is also possible to use a hypothesis test to determine wheth...
AQA A Level Maths: Statistics复习笔记2.5.1 PMCC & Non-linear Regression
Product Moment Correlation Coefficient (PMCC) What is the product moment correlation coefficient? The product moment correlation coefficient (PMCC) is a way of giving a numerical value to linear co...
A-Level课程可以自学吗？自学A-Level课程需要具备哪些特质？
在一堆国际考试中，Alevel课程被认定为是最简单的课程之一。那么，“简单”的Alevel课程能不能自学呢？ 事实上，A-Level是可以自学的，但是难度会相对大一些，而且对学生自律性的要求会比较严格。那么，首先我们先...
AQA A Level Maths: Statistics复习笔记2.4.1 Correlation & Regression
Scatter Diagrams What does bivariate data mean? A lot of statistics is about looking at how different factors, or variables change how data behaves Bivariate data is data which is collected on two ...
AQA A Level Maths: Statistics复习笔记2.3.3 Skewness
Skewness The distribution of a data set is either symmetrical or it has skewness. What is skewness? Skewness describes the way in which data in a non – symmetrical distribution is leaning A distrib...
AQA A Level Maths: Statistics复习笔记2.3.2 Intrepreting Data
Interpreting Data You may be asked to comment on how statistics could affect data or how removing or adding a new piece of data could change statistics you have calculated. You may also be asked to...
AQA A Level Maths: Statistics复习笔记2.3.1 Outliers & Cleaning Data
Outliers What are outliers? Outliers are extreme data values that do not fit with the general pattern of the data They can come from one or two extreme events or from mistakes in the data collectio...
AQA A Level Maths: Statistics复习笔记2.2.3 Histograms
Histograms What is a histogram? A histogram is similar to a bar chart but with some key differences A histogram is for displaying grouped continuous data whereas a bar chart is for discrete or qual...
