Scatter Graphs (Leaving Cert Mathematics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is a scatter graph used to investigate?
What is a scatter graph used to investigate?
Whether a relationship exists between two sets of data
What is bivariate data?
What is bivariate data?
Data that comes in pairs
What is the most common mistake when creating scatter graphs?
What is the most common mistake when creating scatter graphs?
Joining the points with lines
What must you always include on scatter graph axes?
What must you always include on scatter graph axes?
Variable names and units
Which pattern shows positive correlation?
Which pattern shows positive correlation?
Points slope upwards from left to right
What does negative correlation mean?
What does negative correlation mean?
One variable 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 with no pattern
What indicates strong correlation?
What indicates strong correlation?
Points lie close to a straight line
How should you describe correlation?
How should you describe correlation?
Using strength and direction
What important principle about correlation must you remember?
What important principle about correlation must you remember?
Correlation doesn't prove causation
What correlation type exists between height and weight?
What correlation type exists between height and weight?
Weak positive correlation
Journey time and distance remaining show which correlation?
Journey time and distance remaining show which correlation?
Strong negative correlation