Further Statistical Analysis (HSC SSCE Mathematics Standard): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does the term 'bivariate data' refer to?
What does the term 'bivariate data' refer to?
Data involving two variables measured together
What is the main purpose of a scatterplot?
What is the main purpose of a scatterplot?
To determine if a relationship exists
In a scatterplot, what does each dot represent?
In a scatterplot, what does each dot represent?
A pair of measurements (ordered pair)
What indicates 'no relationship' in a scatterplot?
What indicates 'no relationship' in a scatterplot?
Randomly scattered points with no pattern
What characterises a linear form of association?
What characterises a linear form of association?
Points approximately follow a straight line
What is a positive association in a scatterplot?
What is a positive association in a scatterplot?
Both variables increase together
What defines a negative association?
What defines a negative association?
One variable increases, the other decreases
What indicates a strong association?
What indicates a strong association?
Dots form a tight cluster, minimal scatter
To describe an association fully, what three characteristics must you include?
To describe an association fully, what three characteristics must you include?
Form, direction (if linear), and strength
On which axis does the independent variable appear?
On which axis does the independent variable appear?
Horizontal axis (x-axis)