Averages and range (AQA GCSE Maths): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What do scatter graphs display?
What do scatter graphs display?
Relationship between two variables
What does correlation indicate on a scatter graph?
What does correlation indicate on a scatter graph?
Points form patterns close to a line
What pattern shows positive correlation?
What pattern shows positive correlation?
Upward-sloping from left to right
What happens in negative correlation?
What happens in negative correlation?
One increases, the other decreases
What does no correlation look like on a scatter graph?
What does no correlation look like on a scatter graph?
Points randomly scattered, no pattern
What is an outlier?
What is an outlier?
Point not following general pattern
What is the line of best fit?
What is the line of best fit?
Line passing close to most data points
What is interpolation?
What is interpolation?
Predicting within data range
Why is extrapolation less reliable?
Why is extrapolation less reliable?
Predicts outside existing data range
Does correlation prove causation?
Does correlation prove causation?
No, correlation doesn't prove causation