A-Level数学考试内容有哪些？附真题及答案
A-level数学向来以难度大、要求高而著称，它是很多大学在录取时十分看重的科目，尤其是申请STEM专业，数学基本是必修课。学好A-level数学作用很大 ！A-Level数学考试内容有哪些？附真题及答案~ 关于A Level数学 ...
Edexcel 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...
Edexcel 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...
Edexcel 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...
Edexcel 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...
Edexcel 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...
Edexcel A Level Maths: Statistics:复习笔记2.1.4 Coding
Coding Sometimes data needs to be coded for further use with calculations. This is particularly useful with data that deals with very small or very large numbers, or with data that needs to be clas...
Edexcel 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?...
Edexcel A Level Maths: Statistics:复习笔记2.1.2 Frequency Tables
Frequency Tables In most cases in your statistics course, you will come across data that is presented in a frequency table. These allow data to be summarised and make them easier to work with. Ungr...
