Edexcel IGCSE Physics: Double Science 復習筆記：5.2.6 Boyle's Law
Edexcel IGCSE Physics: Double Science 復習筆記：5.2.6 Boyle's Law Boyle's Law For a fixed mass of a gas held at a constant temperature: pV?= constant Where: p?= pressure in pas...
Edexcel A Level Maths: Statistics:復習筆記3.1.3 Tree Diagrams
Tree Diagrams What is a tree diagram? A?tree?diagram?is used to show the (combined)?outcomes?of more than one?event?that happen one after the other help calculate probabilities when?AND?and/or?OR’s...
Edexcel A Level Maths: Statistics:復習筆記3.1.2 Venn Diagrams
Venn Diagrams What is a Venn diagram? A Venn diagram is a way to illustrate?events?from an?experiment?and are particularly useful when there is an overlap (or lack of) between possible?outcomes A V...
Edexcel A Level Maths: Statistics:復習筆記3.1.1 Calculating Probabilities & Events
Probability Basics What do I need to know about probability for AS and A level Mathematics? The language used in probability can be confusing so here are some definitions of commonly misunderstood ...
Edexcel A Level Maths: Statistics:復習筆記2.5.2 Hypothesis Testing for Correlation
Hypothesis Testing for Correlation You should be familiar with using a?hypothesis test?to determine bias within probability problems. It is also possible to use a hypothesis test to determine wheth...
Edexcel A Level Maths: Statistics:復習筆記2.5.1 PMCC & Non-linear Regression
Product Moment Correlation Coefficient (PMCC) What is the product moment correlation coefficient? The product moment correlation coefficient (PMCC) is a way of giving a numerical value to?linear co...
Edexcel A Level Maths: Statistics:復習筆記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 ...
Edexcel A Level Maths: Statistics:復習筆記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:復習筆記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...
