Bivariate Data 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 is the primary purpose of a scatterplot?
What is the primary purpose of a scatterplot?
To show relationship between two variables
What does random scatter with no pattern indicate?
What does random scatter with no pattern indicate?
No relationship between variables
What three characteristics describe an association?
What three characteristics describe an association?
Form, direction, and strength
When points approximately follow a straight line, what is the form?
When points approximately follow a straight line, what is the form?
Linear
In a positive association, what happens as one variable increases?
In a positive association, what happens as one variable increases?
The other variable also increases
What trend direction indicates a negative association?
What trend direction indicates a negative association?
Downward from left to right
What characterises a strong association?
What characterises a strong association?
Tight cluster with minimal scatter
In a weak association, how are the points arranged?
In a weak association, how are the points arranged?
Widely dispersed with less clear pattern
Where is the independent variable placed on a scatterplot?
Where is the independent variable placed on a scatterplot?
On the horizontal axis
What type of variable depends on another variable?
What type of variable depends on another variable?
Dependent variable