Edexcel IGCSE Maths 复习笔记 6.2.1 Histograms
Edexcel IGCSE Maths 复习笔记 6.2.1 Histograms Aren’t histograms just really hard bar charts? No! There are many mathematical differences that you should be aware of but the key difference between a...
Edexcel IGCSE Maths 复习笔记 6.1.5 IQR & Range
Edexcel IGCSE Maths 复习笔记 6.1.5 IQR & Range What are IQR and the range? The three averages (mean, median and mode) measure what is called central tendency – they all give an indication of wh...
Edexcel IGCSE Maths 复习笔记 6.1.4 Calculations with the Mean
Edexcel IGCSE Maths 复习笔记 6.1.4 Calculations with the Mean Solving problems involving the mean Because the mean has a formula it means you could be asked questions that use this formula backward...
Edexcel IGCSE Maths 复习笔记 6.1.3 Averages from Grouped Data
Edexcel IGCSE Maths 复习笔记 6.1.3 Averages from Grouped Data What is grouped data and why use it? Some data for a particular scenario can vary a lot For example, the heights of people, particularl...
Edexcel IGCSE Maths 复习笔记 6.1.2 Averages from Tables & Charts
Edexcel IGCSE Maths 复习笔记 6.1.2 Averages from Tables & Charts How do we find averages if there are lots of values? In reality there will be far more data to work with than just a few numbers...
Edexcel IGCSE Maths 复习笔记 6.1.1 Mean, Median & Mode
Edexcel IGCSE Maths 复习笔记 6.1.1 Mean, Median & Mode Why do we have different types of average? You’ll hear the phrase “on average” used a lot, from politicians talking about the economy to s...
Edexcel IGCSE Maths 复习笔记 5.5.1 Combined Transformations
Edexcel IGCSE Maths 复习笔记 5.5.1 Combined Transformations Combined Transformations – what do I need to know? Combined transformations are more than one transformation, one performed after the aft...
Edexcel IGCSE Maths 复习笔记 5.4.1 Transformations - Enlargement
Edexcel IGCSE Maths 复习笔记 5.4.1 Transformations - Enlargement Enlargement – what do I need to know? You need to be able to perform an enlargement (on a coordinate grid) as well as spotting and d...
Edexcel IGCSE Maths 复习笔记 5.3.1 Transformations - Translation
Edexcel IGCSE Maths 复习笔记 5.3.1 Transformations - Translation Translation – what do I need to know? You need to be able to perform a translation (on a coordinate grid) as well as spotting and de...
