What is statistics?
Statistics is collecting, organising, analysing and interpreting data.
How can data be represented? (3)
In an article, table or graph.
What do we have to ask when assessing data? (3)
Is the data reliable? What is the relationship between the data and the research question? How was the data analysed?
What do line graphs show?
Changes over time.
What is frequency?
How often something occurs.
What are scatter plots used for?
Reviewing the relationship between two variables.
What do we use error bars for?
To show the standard deviation from the mean.
What does it mean when error bars overlap?
There is a less likely chance of a significant difference between the datasets.