Set Notation What is set notation? How do I solve problems given in set notation? Worked Example Exam Tip Conditional Probability What is conditional probability? Worked Example The Venn diagram be...
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...
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...
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 ...
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...
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...
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 ...
Skewness The distribution of a data set is either symmetrical or it has skewness. What is skewness? Skewness describes the way in which data in a non – symmetrical distribution is leaning A distrib...
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...
