Edexcel IGCSE Maths 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 5.2.2 Transformations - Reflection Reflection – what do I need to know? You need to be able to perform a reflection (on a coordinate grid) as well as spotting and descr...
