为什么IGCSE理科科目比国内课程难？
一直以来不管是在体制内还是国际课程，数理化始终都是让大家头疼的科目！最近，the british exams网站的这份调查结果，理科几乎全上榜！ 图源the british exams 为什么IGCSE理科科目比国内课程难？ 首先，IGCSE理...
Edexcel A Level Maths: Statistics:复习笔记2.2.3 Histograms
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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...
Edexcel A Level Maths: Statistics:复习笔记2.1.1 Basic Statistical Measures
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Edexcel A Level Maths: Statistics:复习笔记1.1.1 Sampling & Data Collection
Types of Data What are the different types of data? Qualitative data is data that is usually given in words not numbers to describe something For example: the colour of a teacher's car Quantitative...
