STATiStics

Mean, median, mode and range

Finding the average

How to calculate:

  • Mean

  • Median

  • Mode

  • Range

Representing data graphically

Graphs and charts

  • Fundamentals of graphs and charts

  • What skills you need to succeed at GCSE

Scatter graphs

Scatter graphs and correlations

How plot data points, draw a line of best fit, to determine how closely two things are related (correlation)

Types of correlation:

  • Positive correlation

  • Negative correlation

  • No correlation

What you need to know