Tables and Probability (Year 8)

Sample space: All the possible outcomes of an experiment. 

Probability: The chance that something will happen. How likely it is that some event will occur. 

Outcome: A possible result of an experiment.

Two-way tables: are a type of frequency table used for organising data. It shows two categorical variables. 

Product Rule for Counting: To find the total number of outcomes for two or more events.  

Venn diagram: A diagram that shows sets and which elements belong to which set by drawing regions around them.

Set: A set is a collection of things.

Event: One (or more) outcomes of an experiment.

Bias: A built in error that makes all values wrong by a certain amount.

Union: The set made by combining the elements of two sets.     

Intersection: The intersection of two sets has only the elements common to both sets.