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...
AQA A Level Maths: Statistics复习笔记2.2.2 Box Plots & Cumulative Frequency
Box Plots What is a box plot? A box plot is a graph that clearly shows key statistics from a data set It shows the?median, quartiles, minimum?and?maximum values?and?outliers It does not show any ot...
AQA A Level Maths: Statistics复习笔记2.2.1 Data Presentation
Data Presentation What graphs and diagrams should I be familiar with? You will be expected to be able to use a variety of graphs such as: Box plots Can be used with ungrouped data of a single varia...
AQA A Level Maths: Statistics复习笔记2.1.3 Standard Deviation & Variance
Standard Deviation & Variance The?variance?is another measure for the spread of the data, it measures the variability from the mean of the data. What is the variance and the standard deviation?...
